{"title":"Where Does it Hurt? A 4-S Model of Pain Onset and Recovery across Body Sites among Older Adults.","authors":"Markus Schafer, Anna Zajacova","doi":"10.1093/geronb/gbaf061","DOIUrl":"https://doi.org/10.1093/geronb/gbaf061","url":null,"abstract":"<p><strong>Objectives: </strong>Pain is an increasingly widespread problem for older adults, contributing to higher healthcare costs and lower quality of life. Though the prevalence of pain is well-documented in national studies, less is known about where pain occurs in the body, and even less about the dynamic processes of onset and recovery. We examine the bodily distribution of pain and its covariates and propose a framework to systematize how pain sites remain stable, spread, switch, or subside over time.</p><p><strong>Methods: </strong>Analyses use longitudinal data from the National Social Life, Health, and Aging Project (n=2,600), a survey featuring pain site measures usually available only in clinical samples. Descriptive statistics and supplementary regression models showcase pain dynamics across bodily locations and over time.</p><p><strong>Results: </strong>Pain is most prevalent in legs and low back. During the observed period, 57% of respondents had at least one onset location and 79% experienced at least one recovery location. Many displayed complex patterns of onset and recovery in tandem. Gender, exposure to childhood trauma, and perceived neighborhood danger emerged as key correlates of pain prevalence across bodily locations and pain dynamics over time, shaping whether pain remained stable, spread, switched locations, or subsided.</p><p><strong>Discussion: </strong>Older Americans with pain rarely have their discomfort confined to one location, and many experience concurrent onset and recovery over time. We propose the 4-S model as a framework to understand the complex interplay of pain onset and recovery and offer ways to integrate this framework into ongoing investigations of late-life pain.</p>","PeriodicalId":520811,"journal":{"name":"The journals of gerontology. Series B, Psychological sciences and social sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144210762","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Francisco Rios Casas, Christy L Erving, Mateo P Farina
{"title":"Examining the health risk pathways between discrimination and accelerated biological aging among a population-based sample of older adults.","authors":"Francisco Rios Casas, Christy L Erving, Mateo P Farina","doi":"10.1093/geronb/gbaf100","DOIUrl":"https://doi.org/10.1093/geronb/gbaf100","url":null,"abstract":"<p><strong>Objective: </strong>Discrimination is a prominent stressor among older adults tied to a greater risk of disability, morbidity, and mortality. However, the underlying biological mechanisms by which discrimination impacts health outcomes are not clear. We investigated the relationship between discrimination and accelerated biological aging. We also evaluated the sensitivity of that association to the inclusion of potential health risk pathways, which link discrimination to accelerated biological aging.</p><p><strong>Methods: </strong>Data on frequency and attributions for everyday discrimination came from the Health and Retirement Study (2012-2014). Biological age was estimated using 22 blood-based biomarkers collected in the 2016 Venous Blood Study. We used linear regression models to examine the association between discrimination and accelerated biological age. We used the KHB decomposition method to investigate what portion of the association was explained by key health risk pathways (depression, sleep, physical activity, BMI, and smoking).</p><p><strong>Results: </strong>Sixty-three percent of participants reported discrimination, attributing it mostly to their age (27%), gender (13%), or financial status (12%). Respondents reporting higher frequency of discrimination had a biological age 0.66 years older than their chronological age (p<.001). Respondents with more attributions for discrimination had an accelerated biological age of 0.61 years (p<.001). Adjustment for health risk pathways explained a statistically significant (p<.001) portion of the association for both aspects of discrimination: ~94% for frequency and ~55% for attributions.</p><p><strong>Discussion: </strong>Discrimination attributed to various social characteristics can accelerate aging and, in turn, undermine health, but the association is highly modifiable, pointing to the potential importance of interventions to reduce health inequalities.</p>","PeriodicalId":520811,"journal":{"name":"The journals of gerontology. Series B, Psychological sciences and social sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144201368","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Myriam Al Bcherraoui, Kristine J Ajrouch, Sawsan Abdulrahim, Toni C Antonucci
{"title":"Filial Closeness and Attitudes on Intergenerational Familial Care in Lebanon: Implications for Future Care Policy for Older Adults.","authors":"Myriam Al Bcherraoui, Kristine J Ajrouch, Sawsan Abdulrahim, Toni C Antonucci","doi":"10.1093/geronb/gbaf096","DOIUrl":"https://doi.org/10.1093/geronb/gbaf096","url":null,"abstract":"<p><strong>Objectives: </strong>Population aging, as well as the rise in chronic health conditions and economic hardships, in Lebanon has led to a greater significance of the role of family in caring for older adults. This study examined attitudes and beliefs towards family- and state-based care in Lebanon among midlife and older adults, and their association with filial closeness.</p><p><strong>Methods: </strong>We used data from the Family Ties and Aging Study (2009) collected in Beirut, Lebanon, from adults aged 40-91 (N = 216). We used linear regression models to assess whether perceived filial closeness was associated with endorsement of family care. We also used multinomial logistic regression models to assess preference for either family care, state care, or care from both equally.</p><p><strong>Results: </strong>Situational factors such as reporting better self-rated health and having a greater proportion of children who live close were associated with a weaker endorsement of family care over and above filial closeness. Preference for government or both family and government equally concerning care for financial, household, and personal needs were similarly associated with situational factors over and above filial closeness.</p><p><strong>Discussion: </strong>Our results underscore the importance of considering contextual and situational factors that relate to older adults' attitudes and preferences for care. They suggest that 1) parents' attitudes and beliefs may relate to their desire to decrease strain on family members and increase solidarity; and 2) the potential importance of strengthening family ties through state interventions.</p>","PeriodicalId":520811,"journal":{"name":"The journals of gerontology. Series B, Psychological sciences and social sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144181630","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Shao-Tzu Yu, Brian Houle, Chodziwadziwa W Kabudula, Till Bärnighausen, F Xavier Gómez-Olivé, Nicole Angotti
{"title":"The Strength of Long-Distance Ties for Aging Healthy with HIV: The Case of Rural South Africa.","authors":"Shao-Tzu Yu, Brian Houle, Chodziwadziwa W Kabudula, Till Bärnighausen, F Xavier Gómez-Olivé, Nicole Angotti","doi":"10.1093/geronb/gbaf103","DOIUrl":"https://doi.org/10.1093/geronb/gbaf103","url":null,"abstract":"<p><strong>Objectives: </strong>In lower-income settings with limited government-funded care, personal social networks are often the primary means by which older persons access resources and support. We tested the association between long-distance ties-ties that span greater geographical and network distances-and HIV treatment outcomes in a rural South African community with one of the largest aging populations with HIV.</p><p><strong>Methods: </strong>We used data from the \"Health and Aging in Africa: Longitudinal Studies in South Africa\" (HAALSI), a population-based panel study of adults aged ≥ 40 years. We examined how the proximity of social contacts, defined by geographic and network spaces, correlated with viral suppression outcomes among older people living with HIV, using random-effects regression with survey fixed effects to assess individual heterogeneity, and two-way fixed-effects regression to account for unobserved individual and time-specific variations.</p><p><strong>Results: </strong>Respondents who maintained social relationships in distant South African regions had better-managed HIV viral suppression than those without such relationships. Long-distance ties that are strong, defined by kinship and weekly communication, appeared most beneficial. These distant relationships were positively associated with better-managed viral suppression among respondents who lived alone, had less education, and were unemployed. These contacts were characterized by similarly-aged non-household members.</p><p><strong>Discussion: </strong>The observed patterns highlight an important but less-discussed social network channel in older adults' personal relationships. Our findings emphasize that long-distance ties-personal relationships spanning greater geographic distances-can be as important as close proximity ties for healthy aging with HIV, particularly among those living alone and with fewer personal resources.</p>","PeriodicalId":520811,"journal":{"name":"The journals of gerontology. Series B, Psychological sciences and social sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144176474","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Does Retirement Improve Cognitive Functioning? Causal Evidence From Vietnam.","authors":"Duc Dung Le, Long Thanh Giang","doi":"10.1093/geronb/gbaf102","DOIUrl":"https://doi.org/10.1093/geronb/gbaf102","url":null,"abstract":"<p><strong>Objectives: </strong>Previous studies examining the effect of retirement on cognitive functioning have primarily been conducted in developed countries with inconclusive findings. This paper contributes to the limited evidence in middle-income countries by investigating this causal relationship in Vietnam.</p><p><strong>Methods: </strong>We utilized a national survey on older persons for data analysis (N=2,123). Since individuals' decisions to retire are potentially endogenous to their cognitive functioning due to omitted factors, we exploited the official retirement ages for men and women in Vietnam as an instrumental variable for the retirement decision.</p><p><strong>Results: </strong>We found that retirement improved cognitive functioning. This effect was more pronounced in rural areas but appeared homogeneous across gender and types of occupation. Further investigations on mechanisms suggest that increased hours spent on self-care, social activity engagement, media usage, and sexual activity could be potential pathways through which retirement enhances cognitive functioning.</p><p><strong>Discussion: </strong>Our findings suggest that activities or interventions aimed at promoting active aging, family solidarity, and community cohesion are crucial for maintaining and improving cognitive functioning in old age.</p>","PeriodicalId":520811,"journal":{"name":"The journals of gerontology. Series B, Psychological sciences and social sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144164713","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yiqing Qian, Mary Louise Pomeroy, Claire M Petchler, Martha Abshire Saylor, Thomas K M Cudjoe, Katherine A Ornstein
{"title":"The epidemiology of social isolation and loneliness among family and unpaid caregivers of older adults: Findings from the National Study of Caregiving.","authors":"Yiqing Qian, Mary Louise Pomeroy, Claire M Petchler, Martha Abshire Saylor, Thomas K M Cudjoe, Katherine A Ornstein","doi":"10.1093/geronb/gbaf101","DOIUrl":"https://doi.org/10.1093/geronb/gbaf101","url":null,"abstract":"<p><strong>Objectives: </strong>Older adults and their family and unpaid caregivers are at risk of social isolation and loneliness, leading to adverse health outcomes. We investigated the prevalence and correlates of social isolation and loneliness among caregivers of older Medicare beneficiaries.</p><p><strong>Methods: </strong>Our sample included 2,174 caregivers from the National Study of Caregiving IV Round 12 linked with the National Health and Aging Trends Study Round 12, representing approximately 23.9 million caregivers. Informed by stress and coping theories, we estimated the prevalence of and examined correlates of social isolation and loneliness using logistic regression including caregiver, care recipient, and shared characteristics. All analyses were weighted to yield population estimates.</p><p><strong>Results: </strong>About 12% of caregivers (2.8 million) were socially isolated and 27% (6.3 million) were lonely. Being male, unmarried/uncoupled, in poor/fair health, caring for a spouse/partner, and caring for an older adult with dementia was associated with social isolation. Being unmarried/uncoupled and in poor/fair health was also associated with loneliness. Non-Hispanic Black and Hispanic caregivers were less likely to be lonely than non-Hispanic White caregivers.</p><p><strong>Discussion: </strong>This study provides new population-based insights into the prevalence and distinct correlates of social isolation and loneliness among family and unpaid caregivers of older adults. Given the essential roles of caregivers in long-term care for aging populations, it is critical to understand the complexities of social isolation and loneliness experienced by caregivers. Enhancing social connection and support for caregivers, particularly those at high risk, is important as our understanding of the burden of isolation and loneliness expands.</p>","PeriodicalId":520811,"journal":{"name":"The journals of gerontology. Series B, Psychological sciences and social sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144136615","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Longitudinal Dyadic Associations Between Internet Use and Mental Health among Middle-aged and Older Chinese Couples: An Actor-Partner Interdependence Approach.","authors":"Zhibin Li, Huijun Liu","doi":"10.1093/geronb/gbaf097","DOIUrl":"https://doi.org/10.1093/geronb/gbaf097","url":null,"abstract":"<p><strong>Objectives: </strong>Internet use is usually considered to have beneficial effects on depressive symptoms. However, researchers rarely examine whether individual internet use might affect his/her spouse's depressive symptoms. The present study aimed to explore the longitudinal dyadic interdependence of the association between internet use and depressive symptoms among middle-aged and older couples.</p><p><strong>Methods: </strong>Data for this study came from the 2018 and 2020 waves of the China Health and Retirement Longitudinal Study (CHARLS), and the sample consisted of 6096 middle-aged and older couples (age≥45). We tested the actor effects and partner effects of internet use on depressive symptoms among middle-aged and older couples by adopting the longitudinal Actor-Partner Interdependence Model (APIM). Further, the heterogeneity of actor effects and partner effects based on gender, age, and residence was also tested.</p><p><strong>Results: </strong>APIM indicated that both husbands' and wives' internet use had significant actor effects on their depressive symptoms. However, the partner effect was observed only in wives; that is, husbands' internet use was positively associated with their wives' lower depressive symptoms, not vice versa. Furthermore, subgroup analyses showed these effects were not significantly heterogeneous in age and rural-urban subgroups.</p><p><strong>Discussion: </strong>This study sheds light on the dyadic and longitudinal associations between internet use and depressive symptoms among middle-aged and older couples in China, thereby providing valuable insights for designing interventions that protect mental health by encouraging couples to use the internet.</p>","PeriodicalId":520811,"journal":{"name":"The journals of gerontology. Series B, Psychological sciences and social sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144136614","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Relationship difficulty is associated with poorer mental health in later life.","authors":"Lea Ellwardt, Theo G van Tilburg","doi":"10.1093/geronb/gbaf094","DOIUrl":"https://doi.org/10.1093/geronb/gbaf094","url":null,"abstract":"<p><strong>Objectives: </strong>Integration into social networks is an important promotor of well-being and aging healthily, yet the dark side of social networks includes encounters with network members that are perceived as unpleasant, demanding, or difficult. This study investigates the association of relationship difficulty in older adults' core networks with the mental health outcomes of loneliness, depression, and anxiety.</p><p><strong>Methods: </strong>Survey data were collected from the Longitudinal Aging Study Amsterdam (LASA) on relationship difficulty in personal networks and mental health. The sample included 892 respondents (mean age = 73; range = 61-100). The analytical models used two-step estimation with inverse-probability weights for testing differences in the three mental outcomes between older adults with and without difficult relationships. Differences were tested using cross-sectional and longitudinal mental health observations.</p><p><strong>Results: </strong>The presence of relationship difficulty was significantly associated with poorer mental health on all three conditions in the cross-sectional models. Lagged effects were significant on depression only and weakest on anxiety.</p><p><strong>Discussion: </strong>For some older adults, instances where they feel pressured into upholding and continuing difficult relationships can be linked to higher incidences of adverse mental health outcomes. As such, social integration can be a double-edged sword, and research and practice should consider its potentially negative impacts.</p>","PeriodicalId":520811,"journal":{"name":"The journals of gerontology. Series B, Psychological sciences and social sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144129945","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Giselle A Ferguson, Daisy V Zavala, Samantha Corley, Andreas B Neubauer, Daniel K Mroczek, Eileen Graham, Jacqueline A Mogle, Stacey B Scott
{"title":"Age, Neuroticism, and Stressor-Related Negative Affect: Cross-Sectional and Longitudinal Evidence from a Measurement Burst Study.","authors":"Giselle A Ferguson, Daisy V Zavala, Samantha Corley, Andreas B Neubauer, Daniel K Mroczek, Eileen Graham, Jacqueline A Mogle, Stacey B Scott","doi":"10.1093/geronb/gbaf095","DOIUrl":"https://doi.org/10.1093/geronb/gbaf095","url":null,"abstract":"<p><strong>Objectives: </strong>Some studies in lifespan samples show that neuroticism is associated with larger increases in negative affect (NA) with stressor exposure, whereas older age is associated with smaller differences held within older adulthood and within individuals, longitudinally. In a sample of adults over age 70, the present study (1) examined whether the relationship between stressor exposure and NA was moderated by neuroticism and (2) tested cross-sectional age differences and longitudinal aging-related change in the stressor-NA slope.</p><p><strong>Methods: </strong>This pre-registered secondary analysis draws from three ecological momentary assessment measurement bursts over three years collected in Bronx, New York, USA. Participants (N = 318; Mage = 76.98) reported trait neuroticism at baseline, recent stressor exposure, and momentary NA five times daily for each 16-day burst.</p><p><strong>Results: </strong>Using four-level multilevel models, we found positive within- (momentary: B = 6.88, SE = 0.44; day: B = 5.79, SE = 0.38) and between-person effects of stressor exposure (B = 19.21, SE = 3.53) on NA. Greater neuroticism was associated with higher average NA across the study (B = 4.32, SE = 1.06). Contrary to findings in younger and lifespan samples, neuroticism did not moderate the stressor-NA slope. Neither cross-sectional age differences nor longitudinal change were found in the stressor-NA slope, but longitudinal increases in average NA were observed.</p><p><strong>Discussion: </strong>Together, these findings suggest that there are conditions when older age does not produce better emotion regulation, and that other characteristics besides neuroticism may underlie differences in stressor-related NA in older adults.</p>","PeriodicalId":520811,"journal":{"name":"The journals of gerontology. Series B, Psychological sciences and social sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144129936","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yan Mo, Yuanying Liu, Wei-Jun Jean Yeung, Woon-Puay Koh, Danan Gu, Qiushi Feng
{"title":"From Digital Divide to Digital Equality: The Role of Learning in Older Singaporeans.","authors":"Yan Mo, Yuanying Liu, Wei-Jun Jean Yeung, Woon-Puay Koh, Danan Gu, Qiushi Feng","doi":"10.1093/geronb/gbaf090","DOIUrl":"https://doi.org/10.1093/geronb/gbaf090","url":null,"abstract":"<p><strong>Objectives: </strong>The role of Information and Communication Technology (ICT) in later life has received substantial attention, with continuous studies focusing on the digital divide for older persons. Literature usually defines and measures the digital divide by focusing on ICT accessibility, skills, and outcomes. This study attempted to expand this framework by further incorporating the role of learning for a more comprehensive perspective of understanding the digital divide at older ages.</p><p><strong>Methods: </strong>We chose the case of Singapore, a society with the highest level of ICT accessibility in the world, to reveal the necessity of introducing this new dimension. With a sample of 2,545 older adults from the Lifelong Education for Aging Productively survey in Singapore, we utilized the latent class analysis (LCA) to categorize 16 indicator variables across three core dimensions of the digital gap in daily life: usage, utility, and learning.</p><p><strong>Results: </strong>The LCA revealed four distinct groups: adept users, intermediate users, basic users, and traditional users. Over 12% of older individuals in Singapore were classified as traditional users, characterized by only using landlines and mobile phones for communication with little learning motivation, uncovering a deeper digital gap in Singapore under the new scheme. Regression analyses further showed the strong impacts of socioeconomic status on these types of ICT users.</p><p><strong>Discussion: </strong>This study not only underscores the need to highlight the role of learning in understanding the evolving nature of the digital gap but also calls for more significant policy interventions to enhance ICT learning toward digital equity.</p>","PeriodicalId":520811,"journal":{"name":"The journals of gerontology. Series B, Psychological sciences and social sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144122007","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}