Journal of Aging and Physical Activity最新文献

{"title":"The Effect of Walking Football on Physical Fitness and Psychosocial Health in Hong Kong Adults Aged 50+: A Mixed-Method Study.","authors":"Ming Yu Claudia Wong, Kai-Ling Ou, Ka Man Leung, Shali Wang","doi":"10.1123/japa.2024-0401","DOIUrl":"https://doi.org/10.1123/japa.2024-0401","url":null,"abstract":"<p><strong>Background: </strong>This study examined the effectiveness of a walking football program on physical fitness, football skills, and psychological outcomes among adults aged 50+ in Hong Kong.</p><p><strong>Method: </strong>A total of 521 older adults (40% female) participated in the walking football program. Participants were required to attend an 8-week beginner class upon enrollment, with the option to progress to an advanced class in a subsequent 8-week stage. Three groups were identified: (a) participants who only engaged in the 8-week beginner class (Pre-8B-Post), (b) participants who only engaged in the 8-week advanced class (Pre-8A-Post), and (c) participants who engaged in both the beginner and advanced classes (Pre-8B-8A-Post). Physical fitness was assessed using the Senior Fitness Test, and football skills were measured using a short passing test. Psychological outcomes, including symptoms of depression, resilience, mindfulness, social networks, exercise self-efficacy, and general health, were evaluated using validated questionnaires. In addition, 11 focus groups (five to six participants each) were conducted using a semistructured interview guide based on the RE-AIM framework to explore participants' qualitative experiences and benefits.</p><p><strong>Results: </strong>Participants in advanced or combined beginner and advanced classes demonstrated greater improvements in visceral fat, arm curl, and the 8-ft up-and-go test compared with participants in beginner-only classes. Combined-class participants also showed significant gains in mindfulness and social networks, whereas single-class participants reported greater improvements in resilience, exercise self-efficacy, and general health.</p><p><strong>Conclusion: </strong>Qualitative findings highlighted benefits in physical and mental health, social connections, and physical literacy.</p><p><strong>Significance: </strong>This study demonstrates that walking football is an effective, inclusive, and sustainable program for promoting physical, psychological, and social well-being among older adults.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"1-13"},"PeriodicalIF":1.5,"publicationDate":"2026-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147730585","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effectiveness of Combined Strength Training and Dance Classes Versus Combined Strength and Endurance Training in Older Adults: A Randomized Clinical Trial.","authors":"Eduarda Blanco-Rambo, Nadyne Rubin, Marcelo Bandeira-Guimarães, Rose Löbell, Antenor Barbosa Calandrini, Andressa Fergutz, Greyse Dornelles, Alexandra Ferreira Vieira, Mikel L Sáez-de-Asteasu, Mikel Izquierdo, Josiane Rodrigues-Krause, Caroline Pietta-Dias, Eduardo Lusa Cadore","doi":"10.1123/japa.2025-0112","DOIUrl":"https://doi.org/10.1123/japa.2025-0112","url":null,"abstract":"<p><strong>Background/objectives: </strong>This study compared the effects of strength training combined with endurance training versus strength training combined with dance classes on physical and cognitive functioning, quality of life, and depressive symptoms in older individuals.</p><p><strong>Methods: </strong>Forty-four older people (69.1 ± 4.6 years) were randomly allocated to strength training combined with dance classes or strength and endurance training groups. Participants were assessed for timed up and go (TUG), 6-min walking, single-leg stance, 30-s sit-to-stand, and stair-climbing tests. Strength was assessed using one-repetition maximum and muscle power at 30% and 70% of one-repetition maximum in the knee extension exercise. Vastus lateralis muscle thickness was assessed throughout ultrasonography. Quality of life, depressive symptoms (Geriatric Depressive Scale), cognitive performance (dual-task TUG and Mini-Mental State Examination), and affectivity for interventions were assessed using questionnaires. Interventions were performed twice weekly for 12 weeks.</p><p><strong>Results: </strong>There were no statistically significant differences between groups for any outcome. There were significant improvements (p < .05) for strength and endurance training and strength training combined with dance classes groups, respectively in TUG (in seconds; Δ = -0.7 vs. -0.8), 6-min walking (in meters; Δ = 30.6 vs. 18.5 m), single-leg stance (in seconds; Δ = 12.1 vs. 3.3), 30-s sit-to-stand (times; Δ = 2.4 vs. 4.7), stair-climbing (in seconds; Δ = -0.6 vs. -1), one-repetition maximum (in kilograms; Δ = 14.4 vs. 14.3), muscle power at 30% (in watts; Δ = 46.3 vs. 68.4), muscle power at 70% (in watts; Δ = 63.9 vs. 96.9), vastus lateralis muscle thickness (in millimeters; Δ = 1.1 vs. 1.6), Mini-Mental State Examination (score; Δ = 1.3 vs. 0.8), and dual-task TUG tests (in seconds; Δ = -1.1 vs. -1.4).</p><p><strong>Conclusion: </strong>When combined with strength training, dance is an alternative to aerobic training for improving health parameters in older adults. Significance/Implications: Participants' preferences should be considered when proposing these combined training interventions.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"1-11"},"PeriodicalIF":1.5,"publicationDate":"2026-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147640517","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Perceptually Regulated Exercise Test for Predicting Maximal Oxygen Consumption in Masters Track-and-Field Athletes.","authors":"Keely A Shaw, Scott C Forbes, Ainsley Bristol, Taylor Leonhardt, Martin Ugwu, Hirofumi Tanaka, Ari Heinonen, Krzysztof Kusy, Dominik Pesta, Jorn Rittweger, Philip D Chilibeck","doi":"10.1123/japa.2025-0212","DOIUrl":"https://doi.org/10.1123/japa.2025-0212","url":null,"abstract":"<p><strong>Background/objectives: </strong>Submaximal exercise tests may be preferred over maximal tests for many reasons related to health or performance. It is unknown if a submaximal perceptually regulated exercise test is a valid assessment of maximal oxygen uptake (V˙O2max) in master athletes. We assessed the validity of a submaximal perceptually regulated exercise test in predicting V˙O2max in masters track-and-field athletes.</p><p><strong>Methods: </strong>Fifty-five athletes (n = 21 females, age = 63 ± 11 years; V˙O2max=49.7±11.0 ml·kg-1·min-1) competing at the World Masters Athletics Championships completed both a graded exercise test to volitional exhaustion to directly measure V˙O2max and a submaximal perceptually regulated exercise test, wherein the athletes self-regulated exercise intensity based on perceived exertion with V˙O2 collected at four stages, ranging from very light to hard/heavy, and extrapolated to ratings of perceived exertion (RPE) 18, 19, and 20, and to age-predicted maximal heart rate (HRmax).</p><p><strong>Results: </strong>Extrapolation to RPE 20 significantly overpredicted V˙O2max (+3.7 ml·kg-1·min-1; p = .02), while values attained from extrapolations to RPE 18, RPE 19, and age-predicted HRmax were not significantly different from values achieved during the graded exercise test (p > .05). Correlations for predicting V˙O2max ranged from .68 to .71. Standard errors of the estimate for predicting V˙O2max ranged from 8.6 to 11.3 ml·kg-1·min-1.</p><p><strong>Conclusions: </strong>Although V˙O2max predicted from a perceptually regulated exercise test is moderately correlated with actual V˙O2max, the standard errors of the estimate is too large to accurately track short-term changes in V˙O2max with aging or training. Significance/Implications: A perceptually regulated exercise test for estimating V˙O2max in masters athletes may not provide the necessary level of accuracy for tracking short-term changes in V˙O2max.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"1-7"},"PeriodicalIF":1.5,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147595919","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Association Between Multidimensional Frailty and Perceived Physical Activity Barriers In Low-Active Older Adults: A Cross-Sectional Study.","authors":"Gülşah Doksöz, Senem Demirdel, Mehmet İlkin Naharci","doi":"10.1123/japa.2025-0296","DOIUrl":"https://doi.org/10.1123/japa.2025-0296","url":null,"abstract":"<p><strong>Objectives: </strong>The aim of this study was to investigate the association between multidimensional frailty and perceived physical activity barriers in low-active older adults.</p><p><strong>Methods: </strong>This cross-sectional study included low-active individuals aged over 65 years. Frailty status, physical activity level, and perceived physical activity barriers were evaluated through face-to-face interviews. Frailty status was assessed using the Tilburg Frailty Index, which evaluates frailty from a multidimensional perspective. The Physical Activity Scale for the Elderly was used to evaluate physical activity status, and the Physical Activity Barriers Scale for Elderly was used to assess perceived physical activity barriers. The association between physical activity barriers and multidimensional frailty was evaluated using logistic regression analysis.</p><p><strong>Results: </strong>Of the 492 older individuals examined, 235 met the inclusion criteria (Mage = 74.9 [6.2] years, 55.3% female). Being unmarried (odds ratio: 2.415, 95% CI [1.07, 5.452], p = .034), having a lower educational level (odds ratio: 2.899, 95% CI [1.537, 5.47], p = .001), and having a higher score on the Physical Activity Barriers Scale for Elderly (odds ratio: 1.05, 95% CI [1.01, 1.091], p = .014) were identified as risk factors for multidimensional frailty in low-active older adults.</p><p><strong>Conclusion: </strong>In low-active older adults, perceived physical activity barriers were associated with multidimensional frailty.</p><p><strong>Implications: </strong>Assessing perceived physical activity barriers in low-active older adults may be useful for developing interventions aimed at reducing multidimensional frailty.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"1-7"},"PeriodicalIF":1.5,"publicationDate":"2026-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147522648","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Impact of Transitioning to Virtual Fall-Prevention Programs on Falls and Social Connectedness in Community-Dwelling Older Adults.","authors":"Allison Moser Mays, Tam Au, Sungjin Kim, Nathalie Guevara, Sonja L Rosen","doi":"10.1123/japa.2024-0211","DOIUrl":"https://doi.org/10.1123/japa.2024-0211","url":null,"abstract":"<p><strong>Background/objectives: </strong>Older adults participating in Falls Prevention Evidence-Based Programs experience a decrease in falls, loneliness, and social isolation, but virtual implementation may alter the program's reach and effectiveness.</p><p><strong>Methods: </strong>We examined the comparative effectiveness of in-person versus virtual fall-prevention evidence-based programs using a nonrandomized study design. Community-dwelling older adults (age ≥ 50) completed surveys on falls (OMB 0985-0039), loneliness (UCLA three-item scale), and social isolation (Duke Social Support Index) at baseline, 6 weeks, and 6 months. Changes in individual outcomes over time were analyzed using a generalized additive model.</p><p><strong>Results: </strong>In-person (n = 382) and virtual participants (n = 214) did not differ by age (76.6 vs. 76.5  years) or gender (83.4% vs. 82.5% women). Virtual programs had fewer non-Hispanic Black participants (8.2% vs. 43.5%, P < .001), more non-Hispanic white participants (70.4% vs. 42%, P < .001), and more with income >$30,000 (P = .012). In-person participants' Duke Social Support Index scores improved at 6 weeks (Estimate 0.50, 95% confidence interval [CI] [0.19, 0.82], P = .011) and 6 months (Estimate 0.67, 95% CI [0.30, 1.05], P = .003); loneliness improved at 6 months (Estimate 0.94, 95% CI [0.90, 0.97], P = .003). Virtual participants reported no change in Duke Social Support Index scores or in loneliness. At 6 months, virtual participants reported a 43.9% reduction in falls per month compared with baseline (Estimated Ratio 0.561, 95% CI [0.541, 0.582], P < .001); in-person participants reported no change in falls.</p><p><strong>Conclusions: </strong>Virtual implementation of fall-prevention programs results in participant-reported reductions in falls but no change in loneliness or social isolation. Significance/Implications: Virtual falls evidence-based programs should make efforts to foster connectedness and reach low-income and racially diverse communities.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"1-10"},"PeriodicalIF":1.5,"publicationDate":"2026-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147505358","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Erratum. Sociodemographic and Health-Related Disparities in 24-Hr Movement Cycles Among Older Adult Women: The Study of Women's Health Across the Nxation.","authors":"","doi":"10.1123/japa.2026-0080","DOIUrl":"10.1123/japa.2026-0080","url":null,"abstract":"","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"1"},"PeriodicalIF":1.5,"publicationDate":"2026-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147492098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Erratum. Experiences and Perceptions of Older People With Chronic Low Back Pain After 8 Weeks of a Specific Group-Based Exercise: Qualitative Analysis of the ESCAPE Trial.","authors":"","doi":"10.1123/japa.2026-0082","DOIUrl":"https://doi.org/10.1123/japa.2026-0082","url":null,"abstract":"","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"1"},"PeriodicalIF":1.5,"publicationDate":"2026-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147469807","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Experiences and Perceptions of Older People With Chronic Low Back Pain After 8 Weeks of a Specific Group-Based Exercise: Qualitative Analysis of the ESCAPE Trial.","authors":"Hytalo Silva, Whesley Tanor Silva, Júlio Pasqual de Miranda, Diêgo Mendes Xavier, Murilo Xavier Oliveira, Marivaldo Aparecido Carvalho, Vinicius Cunha Oliveira","doi":"10.1123/japa.2025-0036","DOIUrl":"10.1123/japa.2025-0036","url":null,"abstract":"<p><strong>Introduction: </strong>Chronic low back pain (CLBP) is a prevalent musculoskeletal condition worldwide, with physical exercise being the primary management strategy. However, this approach poses a significant challenge among the older population, as older people with CLBP often demonstrate low adherence to exercise-based treatments. Despite this, there is limited research evaluating the perceptions and experiences of older people regarding group exercise protocol (GEP) specifically designed for this population, which could enhance adherence and outcomes.</p><p><strong>Objective: </strong>To explore the perceptions and experiences of older people with CLBP regarding a GEP tailored to their needs.</p><p><strong>Methods: </strong>A qualitative interpretative phenomenological approach was employed to investigate participants' experiences after an 8-week GEP. Data were collected through focus groups guided by a trained researcher. The Bardin's content analysis was conducted. To facilitate the analysis and generate graphical representations, IRAMUTEQ (Interface de R pour les Analyses Multidimensionnelles de Textes et de Questionnaires) software was used.</p><p><strong>Results: </strong>The results suggest that the perceptions of older people with CLBP regarding the GEP can be categorized into three thematic clusters: (a) social interaction, mutual support, and community integration with group exercise; (b) comprehensive benefits of specific group exercise on quality of life, sleep, and autonomy for older people with CLBP; and (c) perceived benefits of group exercise in managing low back pain and improving balance and mobility.</p><p><strong>Conclusion: </strong>Older people with CLBP can achieve biopsychosocial improvements through adherence to a tailored GEP. Strategies such as locating sessions in community centers, adapting exercises to individual capabilities, and fostering social bonds effectively promoted high adherence, enhanced social relationships, and improved sleep quality.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"1-8"},"PeriodicalIF":1.5,"publicationDate":"2026-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146776972","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Sex-Specific Contributions to Single- and Dual-Task Walking in Adults at Risk of Alzheimer Disease and Related Dementias.","authors":"Nick W Bray, David A C Adriano, Sofia Grant, Karen D Kendall, Michael D Hill, R Stewart Longman, Aishah Alhmoudi Matar, Naif Alghasab, Nabila Mahdi, Elnaz Ehteshami Afshar, G Bruce Pike, Marc J Poulin, Gail A Eskes","doi":"10.1123/japa.2025-0148","DOIUrl":"https://doi.org/10.1123/japa.2025-0148","url":null,"abstract":"<p><strong>Background/objective: </strong>Walking reflects a complex interaction between physiological systems that deteriorate with age and do so more rapidly in those living with diseases. We conducted a sex-specific cross-sectional analysis to determine the contribution of modifiable (risk) factors to single- and dual-task gait performance in older adults at risk of Alzheimer disease and related dementias.</p><p><strong>Methods: </strong>We included participants (n = 103; 60.4% female; mean age 63.7 ± 6.2) who had completed a preintervention assessment for a randomized controlled trial. We used the following factors in hierarchical regressions while controlling for age, muscle strength, cardiorespiratory fitness, and global cognition. Participants walked at their usual pace on an electronic walkway and completed the two-back version of the n-back test either separately or together.</p><p><strong>Results: </strong>Males and females demonstrated reduced gait speed when comparing single to dual tasking (p < .001), but only females demonstrated increasing (i.e., worse) gait variability (p = .007). In females, the dual-task velocity model was significant, F(3, 56) = 5.173, with muscle strength (p = .006) and cardiorespiratory fitness (p = .049) contributing significantly. For males, the models were significant across all conditions, but muscle strength was the only significant (modifiable) factor (single task, p = .023; dual task, p = .046).</p><p><strong>Conclusion: </strong>Dual-task gait velocity is associated with a combination of modifiable factors. However, the importance of each factor differs between males and females. Significance/Implications: Such findings have implications for understanding gait decline and potential sex-specific intervention strategies in those at risk of Alzheimer disease and related dementias.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"1-12"},"PeriodicalIF":1.5,"publicationDate":"2026-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146229564","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Associations of Physical Exercise With Specific Symptoms of Depression in Older Adults: A Network Analysis Following Propensity Score Matching.","authors":"Shijie Lin, Zhichun Chen, Weixia Zhang","doi":"10.1123/japa.2024-0377","DOIUrl":"https://doi.org/10.1123/japa.2024-0377","url":null,"abstract":"<p><strong>Objectives: </strong>To reveal pathways through which physical exercise is associated with the specific depressive symptoms in older adults from the perspective of network analysis.</p><p><strong>Methods: </strong>8,931 participants were selected from the 2018 Chinese Longitudinal Healthy Longevity Survey database. Participants were divided into exercise and nonexercise groups using propensity score matching to minimize confounding effects. The 10-item Center for Epidemiologic Studies Depression Scale was used to assess depression in this cross-sectional survey. Treating each item of 10-item Center for Epidemiologic Studies Depression Scale as a node, depressive symptom networks were constructed for both groups. Network centrality, stability, accuracy, and intergroup differences were analyzed.</p><p><strong>Results: </strong>Core symptoms in the exercise group were D3 (sad mood), D8 (felt lonely), and D1 (bothered by little things), whereas core symptoms in the nonexercise group were D3 (sad mood), D9 (cannot get going), and D6 (felt fearful). The expected influence of the D9 (cannot get going) node was higher in the nonexercise group compared with the exercise group; no differences in symptom network structure between the two groups were found.</p><p><strong>Conclusions: </strong>Depressive symptom networks varied between older adults who participated in physical exercise and those who did not. Physical exercise was associated with the local features (centrality indexes) of the depressive network, rather than the global features (network structure invariance and overall network strength).</p><p><strong>Clinical implications: </strong>The D9 (cannot get going) is crucial for the beneficial effects of exercise, providing a potential target for interventions aimed at efficiently alleviating depressive symptoms in older adults.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"1-12"},"PeriodicalIF":1.5,"publicationDate":"2026-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146167497","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}