{"title":"Correlation between social network and mental health in family-oriented older migrants: A study in two cities in China","authors":"Shan Gan , Xiuyu Yao , Zheng Li","doi":"10.1016/j.ahr.2024.100201","DOIUrl":"10.1016/j.ahr.2024.100201","url":null,"abstract":"<div><h3>Background</h3><p>Family-oriented mobility has become increasingly prevalent in recent years, leading to the emergence of a new demographic: older migrants. These individuals, who are often accompanied by their family members, relocate to another place of residence while retaining their household registration in their original location. The existing literature has largely neglected the social perspective on the mental health of this population group.</p></div><div><h3>Methods</h3><p>This study recruited participants from five communities in two cities and employed the Geriatric Social Network Scale, the Self-Rating Anxiety Scale, and the Geriatric Depression Scale to assess their mental health and social networks.</p></div><div><h3>Results</h3><p>Among the 317 qualified participants, 31.23 % reported experiencing anxiety and 15.77 % reported experiencing depression. The mean social network score was 3.83 ± 0.54 points. A negative correlation was observed between social network scores and both anxiety (<em>r</em> = −0.272, <em>P</em> < 0.001) and depression (<em>r</em> = −0.338, <em>P</em> < 0.001). Two distinct types of social networks were identified through latent profile analysis, with a low level of social support and a low-level social network being significantly correlated with depression (<em>P</em> < 0.001)<em>.</em></p></div><div><h3>Conclusions</h3><p>Mental health issues are prevalent among family-oriented older migrants. A medium-level social network was found to be negatively correlated with anxiety and depression. The presence of a low-level social network was found to be associated with depression. It is imperative to prioritize the mental health status of family-oriented older migrants. Collaboration between community nurses and social workers should be encouraged to aid in exploring more effective ways of promoting the mental health status and social networks of this population.</p></div>","PeriodicalId":72129,"journal":{"name":"Aging and health research","volume":"4 3","pages":"Article 100201"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2667032124000222/pdfft?md5=b70e8b288f28038d4fa34a278647fe5d&pid=1-s2.0-S2667032124000222-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142011782","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Qinqin Liu , Jian Du , Yongmei Bai , Huaxin Si , Yaru Jin , Cuili Wang
{"title":"Mapping research landscapes on frailty in stroke from 2001 to 2023: A bibliometric analysis","authors":"Qinqin Liu , Jian Du , Yongmei Bai , Huaxin Si , Yaru Jin , Cuili Wang","doi":"10.1016/j.ahr.2024.100205","DOIUrl":"10.1016/j.ahr.2024.100205","url":null,"abstract":"<div><h3>Background</h3><p>Frailty and stroke are strongly related to the health of older people. This study aimed to map the research hotspots and frontiers, as well as quantitatively and comprehensively characterize the landscapes of publications on frailty in stroke over past decades.</p></div><div><h3>Methods</h3><p>The articles and reviews related to frailty in stroke, published from 2001 to 2023 were retrieved in the Web of Science Core Collection. CiteSpace and VOSviewer were used to identify the research hotspots, research frontiers, and the basic characteristics (such as top countries, institutions, journals and keywords) in this field.</p></div><div><h3>Results</h3><p>The publications’ growth rate on frailty in stroke was increasing over time. Four research hotspot clusters (geriatric syndrome, adverse outcomes prediction, cognitive function and mental health, as well as cardiovascular diseases management) were identified for frailty in stroke research over the past decades. The burst detection analysis showed that recovery, body mass index and oropharyngeal dysphagia were the research trends.</p></div><div><h3>Conclusion</h3><p>These findings will help scholars better understand current research progress and predict future directions related to frailty in stroke. Health providers could pay close attention to the development of scientific research in this field to maintain good health status of older people by geriatric care delivery.</p></div>","PeriodicalId":72129,"journal":{"name":"Aging and health research","volume":"4 3","pages":"Article 100205"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S266703212400026X/pdfft?md5=0422cdba71392bc0d1ffb46cb1f5bdfd&pid=1-s2.0-S266703212400026X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142168268","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
D.W.P. Quispel-Aggenbach , Sytse U Zuidema , Hendrika J Luijendijk
{"title":"The accuracy of bedside attention tests for delirium detection in older outpatients with cognitive impairment","authors":"D.W.P. Quispel-Aggenbach , Sytse U Zuidema , Hendrika J Luijendijk","doi":"10.1016/j.ahr.2024.100196","DOIUrl":"https://doi.org/10.1016/j.ahr.2024.100196","url":null,"abstract":"<div><h3>Background</h3><p>To determine the test accuracy of four observations, three explorations and four short tests commonly used in psychiatric examinations to detect attention disorders related to delirium in older outpatients.</p></div><div><h3>Method</h3><p>We performed a test accuracy study among 86 older patients referred for cognitive screening to an outpatient clinic of a psychiatric institution. Eleven index tests were applied without knowledge of the reference standard. A geriatrician or psychiatrist blinded to the results of the index tests determined the reference diagnosis with DSM-IV-TR criteria. Observations were lack of adequate/ regular eye-contact, dozing off during conversation, dozing off when not stimulated, and losing the point of story. Explored was lack of concentration during activities, difficulty following conversation, and being easily distracted. Serial 7s, WORLD spelled backward, months of the year backward (MOTYB) and counting back from 20 to 0 were applied. Test accuracy was calculated for the single tests and combinations.</p></div><div><h3>Results</h3><p>Dozing off during conversation scored high specificity (97.9 %) as did dozing off when not stimulated (97.9 %), but both had low sensitivity (< 27.9 %). Test accuracy of the exploration questions was low. Serial 7s and WORLD spelled backwards had high sensitivity (92.7 %, respectively 80.5 %) but low specificity (< 51.1 % %). The best combination was MOTYB with WORLD spelled backward (sensitivity of 63.4 %, specificity of 77.8 %).</p></div><div><h3>Conclusions</h3><p>No single observation, exploration or short test of attention was found to have both high sensitivity and specificity. Probably, attention deficits in delirium are best detected with a combination of observations and short tests as part of a comprehensive psychiatric examination.</p></div>","PeriodicalId":72129,"journal":{"name":"Aging and health research","volume":"4 3","pages":"Article 100196"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2667032124000179/pdfft?md5=a775706520258d311c82a0b09ad0ac9a&pid=1-s2.0-S2667032124000179-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141487166","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mille Vogelius Bøtchiær , Ellen Margrethe Bugge , Palle Larsen
{"title":"Oral health care interventions for older adults living in nursing homes: An umbrella review","authors":"Mille Vogelius Bøtchiær , Ellen Margrethe Bugge , Palle Larsen","doi":"10.1016/j.ahr.2024.100190","DOIUrl":"https://doi.org/10.1016/j.ahr.2024.100190","url":null,"abstract":"<div><p>This review aims to assess the impact of oral health care interventions on the overall health enhancement and prevention of disease among older adults residing in nursing homes. A systematic search was conducted for reviews published between January 2012 and December 2022, focusing on oral health in nursing home settings. Seventeen reviews met the inclusion criteria, encompassing studies involving older adults, their families, and nursing home staff. Various databases, including PubMed, CINAHL Complete, Scopus, and others, were searched, and quality assessments were performed using established guidelines.</p><p>Findings suggest a correlation between oral health and nutritional status, with potential implications for pneumonia prevention through professional oral health care. However, recommendations for interventions remain elusive due to insufficient evidence, particularly regarding the effectiveness of oral health education for caregivers. Despite a documented low oral health-related quality of life among older nursing home residents, oral health promotion programs show promise in addressing this issue.</p><p>In conclusion, there is a pressing need to enhance oral health among older adults in nursing homes. While certain interventions demonstrate potential effectiveness, the current evidence lacks consistency and comprehensiveness. Future research efforts should prioritize collaborative approaches between practice and research to explore diverse outcomes and ensure optimal practice.</p></div>","PeriodicalId":72129,"journal":{"name":"Aging and health research","volume":"4 2","pages":"Article 100190"},"PeriodicalIF":0.0,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2667032124000118/pdfft?md5=1bc02724ca9276ead7f7d327f4825bbf&pid=1-s2.0-S2667032124000118-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140552415","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Rehabilitation needs in people living with Dementia: A scoping review of assessment tools and procedures","authors":"Fritze Kristensen , Rikke Gregersen , Mona Kyndi Pedersen , Conni Skrubbeltrang , Jette Thuesen","doi":"10.1016/j.ahr.2024.100187","DOIUrl":"https://doi.org/10.1016/j.ahr.2024.100187","url":null,"abstract":"<div><p>Rehabilitation is increasingly being integrated into dementia care. To provide person-centred rehabilitation interventions, a systematic assessment of rehabilitation needs is essential. This scoping review was conducted to identify and map the characteristics of tools and procedures used by health professionals to assess the rehabilitation needs of people living at home with early-stage dementia. A comprehensive literature search was conducted in 2018, 2020, 2021 and 2023 of PubMed, Embase, PsycInfo, CINAHL and Prospero. Identified tools were classified according to the World Health Organization's ICF classification and subjective perspectives. Procedures were classified according to place, time and the people involved in the needs assessment. Eleven papers were included. The population considered was predominantly people diagnosed with Alzheimer's dementia. The identified tools mainly assessed problems with functioning, predominantly focusing on activity and less frequently on participation. One tool had a focus on the environment. None of the tools focused on personal factors. Subjective perspectives were mainly assessed in terms of goal setting. Procedures were poorly described. While several needs assessment tools were identified, procedures for needs assessment were sparsely described in the included papers. This scoping review indicates that a strengthened focus on needs assessment is needed in future research and practice.</p></div>","PeriodicalId":72129,"journal":{"name":"Aging and health research","volume":"4 2","pages":"Article 100187"},"PeriodicalIF":0.0,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2667032124000088/pdfft?md5=7570cf213668fc85a95aab01e089a309&pid=1-s2.0-S2667032124000088-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140187349","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jaquelini Betta Canever , Letícia Martins Cândido , Katia Jakovljevic Pudla Wagner , Ana Lúcia Danielewicz , Helena Iturvides Cimarosti , Núbia Carelli Pereira de Avelar
{"title":"Association between sleep problems and self-perception of health among community-dwelling older adults: Data from the 2019 national health survey","authors":"Jaquelini Betta Canever , Letícia Martins Cândido , Katia Jakovljevic Pudla Wagner , Ana Lúcia Danielewicz , Helena Iturvides Cimarosti , Núbia Carelli Pereira de Avelar","doi":"10.1016/j.ahr.2024.100192","DOIUrl":"https://doi.org/10.1016/j.ahr.2024.100192","url":null,"abstract":"<div><h3>Background</h3><p>Sleep problems in the older adults are often linked to their self-perceived health status, significantly affecting their overall well-being. Investigating this relationship is essential to understand how sleep impacts health perception in older adults and to develop targeted strategies to improve their quality of life and health outcomes. The objective was to verifying the association between sleep problems and negative self-perception of health in community-dwelling older adults.</p></div><div><h3>Methods</h3><p>Cross-sectional study, with data from 43,554 older adults participants of the National Health Survey (PNS-2019). The exposure variable was self-report of sleep problems in the last 15 days (difficulty in falling asleep, waking up frequently at night, or sleeping more than usual) and the study endpoints were self-perception of health (positive/negative). Associations were checked using multivariable logistic regression.</p></div><div><h3>Results</h3><p>Older adults with sleep problems were 1.92 (95 %CI 1.77; 2.08) more likely to have a negative self-perception of health when compared to older adults without sleep problems.</p></div><div><h3>Conclusions</h3><p>These findings reinforce the need for programs aimed at reducing sleep problems in older adults, since these are associated with negative self-perceptions of health. A better understanding of these associations may help health care professionals to better control sleep disturbances as well as their outcomes.</p></div>","PeriodicalId":72129,"journal":{"name":"Aging and health research","volume":"4 2","pages":"Article 100192"},"PeriodicalIF":0.0,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2667032124000131/pdfft?md5=ca8ec57770268998917882a7df95e203&pid=1-s2.0-S2667032124000131-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140645781","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Danielle Rhubart , Megan Henly , M. Aaron Guest , Carrie Henning-Smith , Mary Anne Powell
{"title":"Social infrastructure and health among mid-life and older adults in rural America: An environmental scan of existing data","authors":"Danielle Rhubart , Megan Henly , M. Aaron Guest , Carrie Henning-Smith , Mary Anne Powell","doi":"10.1016/j.ahr.2024.100186","DOIUrl":"https://doi.org/10.1016/j.ahr.2024.100186","url":null,"abstract":"<div><p>Growing evidence shows a relationship between social infrastructure (SI) – the physical places where people gather outside of home and work – and health. However, existing data sources for rigorously investigating this relationship are limited, especially for rural areas. Therefore, we conducted an environmental scan of existing data for furthering research on this topic, with a focus on the rural United States (U.S.). A total of 10 datasets met inclusion criteria. Key information was collated from websites and reviewed by data administrators. We summarize key features of these datasets, including available measures of geography/rurality, SI availability and utilization, and physical, mental and social health. We describe analytic strengths and weaknesses of the available data, which is essential for researchers to be able to assess their data options. While the scan focuses on U.S.-based data, the key points will be applicable more broadly, including a need for more data on availability and use of social infrastructure combined with geographic indicators.</p></div>","PeriodicalId":72129,"journal":{"name":"Aging and health research","volume":"4 2","pages":"Article 100186"},"PeriodicalIF":0.0,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2667032124000076/pdfft?md5=d6610dbdec9816ff5e6edaa88bfd62d9&pid=1-s2.0-S2667032124000076-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140180484","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The role of cerebral blood flow in the pathogenesis of Alzheimer's Disease Dementia","authors":"Bhavisha Desai , Olivia Edwards , Lucy Beishon","doi":"10.1016/j.ahr.2024.100188","DOIUrl":"https://doi.org/10.1016/j.ahr.2024.100188","url":null,"abstract":"<div><p>Accounting for approximately 70 % of dementia cases and rising globally, Alzheimer's Disease Dementia (ADD) is a formidable challenge to patients, carers and healthcare professionals worldwide. ADD has a significant impact on patient's and carers’ quality of life, as well as substantial economical and societal costs. Therefore, understanding the pathogenesis of ADD to identify potential treatment targets is becoming an important research priority. For several decades, the amyloid cascade hypothesis has dominated ADD research, however recent critiques have called this into question. Research suggests there may be a significant vascular component, which may occur earlier, potentiate, and drive further amyloid pathology in the brain. One potential area for further exploration is the role of vascular dysregulation in the pathogenesis of ADD. In this review, we examine the current literature regarding vascular dysregulation, and its role in the development of ADD. We further explore the complexity involved in the intersection between vascular insults and the amyloid-cascade hypothesis, and call for further research in the use of cerebral blood flow for a diagnostic and therapeutic target for ADD.</p></div>","PeriodicalId":72129,"journal":{"name":"Aging and health research","volume":"4 2","pages":"Article 100188"},"PeriodicalIF":0.0,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S266703212400009X/pdfft?md5=a5a3011bce6e1b11a88a5dbf5f5a7d12&pid=1-s2.0-S266703212400009X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140191897","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nur Diyana Binte Azman , Abhijit Visaria , Veronica Shimin Goh , Truls Østbye , David Matchar , Rahul Malhotra
{"title":"Informal caregiving time and its monetary value in the context of older adults in Singapore","authors":"Nur Diyana Binte Azman , Abhijit Visaria , Veronica Shimin Goh , Truls Østbye , David Matchar , Rahul Malhotra","doi":"10.1016/j.ahr.2024.100193","DOIUrl":"https://doi.org/10.1016/j.ahr.2024.100193","url":null,"abstract":"<div><h3>Background</h3><p>Little is known about the caregiving time of different types of caregivers in Singapore or its monetary value. We quantified the caregiving time of primary informal, secondary informal, and migrant domestic worker (MDW) caregivers of older adults and estimated the monetary value of caregiving time of primary and secondary informal caregivers.</p></div><div><h3>Methods</h3><p>278 primary informal caregivers reported the time provided by themselves, secondary informal caregivers and MDW caregivers in a typical week helping their care-recipients, aged ≥75 years, with activities of daily living (ADLs), instrumental ADLs, healthcare and social care use, other needs, and supervision of MDW caregivers. We estimated monetary value using the proxy good method.</p></div><div><h3>Results</h3><p>On average, primary and secondary informal caregivers provided 33.0 (annual monetary value: S$15,959) and 8.4 (annual monetary value: S$4,062) caregiving hours/week. MDW caregivers provided even more – 42.0 h/week. Care-recipients received 60.5 h of care/week on average. Nationally, the monetary value of informal caregiving time for Singaporeans aged ≥75 years requiring human assistance was about S$1.28 billion.</p></div><div><h3>Conclusion</h3><p>This study highlights the substantial time commitment of informal and MDW caregivers. Our estimates of the monetary value of informal caregiving time can inform economic evaluations of care models for older adults and policies for supporting informal caregivers, particularly in societies that rely heavily on informal care.</p></div>","PeriodicalId":72129,"journal":{"name":"Aging and health research","volume":"4 2","pages":"Article 100193"},"PeriodicalIF":0.0,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2667032124000143/pdfft?md5=2c8b5cd6e8f0712aab6e7704f77f8965&pid=1-s2.0-S2667032124000143-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141263758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Cognitive impairments by formaldehyde exposure in Alzheimer's disease","authors":"Iman Attiah, Lujain Redha, Shakeel Ahmed Ansari","doi":"10.1016/j.ahr.2024.100194","DOIUrl":"https://doi.org/10.1016/j.ahr.2024.100194","url":null,"abstract":"<div><p>Formaldehyde (FA) is a highly reactive molecule that is considered as a community concern due to the huge human exposure in industries, dissection unit in hospitals and academics. Furthermore, it is used in manufacturing paper and plywood, and preservation of biological specimens. FA is present normally in certain concentration in the brain and its metabolism plays a major role in methylation and demethylation of DNA, RNA and histones. However, excess concentration of FA reduces the cognitive function and causes dementia especially in aging brain. Recent studies investigated the link between excess exposure to FA and age-related cognitive impairment through NMDA-receptor dysregulation and other mechanisms including amyloid-β (Aβ) accumulation, alterations in alcohol dehydrogenase-5 (ALDH5) and Tau dysmetabolism and aggregation which serves as major causes of Alzheimer's disease (AD). Recent hypothesis agreed that when FA causes Aβ to accumulate in extracellular space, it prevents the medications that are dissolved in the interstitial fluid from permeating the injured cortical neurons and leads to neurons death. Although treatment of AD with phototherapy has been achieved before which involves the destruction of Aβ deposit; however, reducing the amount of exposure to FA and its derivatives remains a golden step in the prevention.</p></div>","PeriodicalId":72129,"journal":{"name":"Aging and health research","volume":"4 2","pages":"Article 100194"},"PeriodicalIF":0.0,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2667032124000155/pdfft?md5=7471fc1ad8482072f9d2953bc3c549da&pid=1-s2.0-S2667032124000155-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141244391","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}