Journal of science and medicine in sport最新文献

{"title":"Population-referenced percentiles for total movement and energetic play at early childhood education and care","authors":"Stewart G. Trost ,&nbsp;Jasper Schipperijn ,&nbsp;Andrea Nathan ,&nbsp;Luke Wolfenden ,&nbsp;Serene Yoong ,&nbsp;Trevor Shilton ,&nbsp;Hayley E. Christian","doi":"10.1016/j.jsams.2024.07.020","DOIUrl":"10.1016/j.jsams.2024.07.020","url":null,"abstract":"<div><h3>Objectives</h3><div>Childcare services such as preschools and long day care centres have been identified as a key setting to promote physical activity in early childhood as they provide access to large numbers of children for prolonged periods. Yet, specific standards for the type and amount of physical activity (PA) children accumulate whilst attending childcare are lacking. The purpose of this study was to derive population-referenced percentile values for children's total movement and energetic play whilst attending early childhood education and care services.</div></div><div><h3>Design</h3><div>We analysed accelerometer data collected in four Australian studies involving over 150 long day care services and 3893 accelerometer records from 1945 children to derive population-referenced percentile values for total movement and energetic play whilst attending formal early childhood education and care.</div></div><div><h3>Methods</h3><div>Accelerometer data were processed into time spent in total movement and energetic play using a random forest physical activity classification model. Total movement and energetic play estimates were transformed to a standard normal distribution and percentiles were calculated for a 4-, 6-, 8-, and 10-hour early childhood education and care day.</div></div><div><h3>Results</h3><div>On an average 8-hour early childhood education and care day (50th percentile), Australian pre-schoolers spend between 269 and 292 min, or 60 % of their day in movement. In contrast, Australian pre-schoolers only accumulate between 15 and 29 min of energetic play.</div></div><div><h3>Conclusions</h3><div>The percentile reference values can be used to monitor young children's physical activity and energetic play levels whilst attending childcare. Educators can use the percentiles to assign norm-referenced ratings to identify children who could benefit from additional support for physical activity.</div></div>","PeriodicalId":16992,"journal":{"name":"Journal of science and medicine in sport","volume":"27 12","pages":"Pages 856-862"},"PeriodicalIF":3.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141934605","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Replication study: Investigating the effects of maximal anaerobic fatigue on dynamic postural control using the Y-Balance Test","authors":"Ciara Byrne,&nbsp;Jennifer Murphy,&nbsp;Joe P. Warne","doi":"10.1016/j.jsams.2024.07.018","DOIUrl":"10.1016/j.jsams.2024.07.018","url":null,"abstract":"<div><h3>Objectives</h3><div>The aim of this study was to replicate the study titled “<em>Investigating the effects of maximal anaerobic fatigue on dynamic postural control using the Y-Balance Test</em>” by Johnston et al. (2018) as part of a large replication project. This study aimed to determine the effects of maximal anaerobic fatigue on dynamic postural control using the Y-Balance Test, with a specific focus on anterior reach distance.</div></div><div><h3>Design</h3><div>A single session intervention.</div></div><div><h3>Methods</h3><div>Forty male and female university students (age: 22 ± 3 years, height: 171.88 ± 8.96 cm, mass: 76.20 ± 14.31 kg) partaking in competitive sport, completed a Y-Balance Test protocol at 20, 10, and 0 min before a modified 60 s Wingate fatiguing protocol. Post-fatigue assessments were completed at 0, 10, and 20 min after the Wingate test. Replication outcomes included significance, direction, and effect size comparison using a z-test.</div></div><div><h3>Results</h3><div>A one-way repeated measures ANOVA showed a significant effect for maximal anaerobic fatigue on normalised anterior reach direction (F_{1.82, 69.03} = 7.16, p = 0.002, η_p² = 0.159; 95 % CI: 0.025, 0.320). Therefore, we replicated the original findings for anterior reach distance in terms of statistical significance (F = 3.818, p = 0.025, η_p² = 0.376; 95 % CI: 0.00, 0.62). The replication and original effect size estimates for anterior reach direction were compared using a z-test and were deemed compatible (z = 1.65, p = 0.05).</div></div><div><h3>Conclusions</h3><div>Overall, we replicated the original study findings for the effect of maximal anaerobic fatigue on anterior reach distance in a Y-Balance Test.</div></div>","PeriodicalId":16992,"journal":{"name":"Journal of science and medicine in sport","volume":"27 12","pages":"Pages 869-874"},"PeriodicalIF":3.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141934674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The delta concept does not effectively normalise exercise responses to exhaustive interval training","authors":"Arthur Henrique Bossi ,&nbsp;Wouter Timmerman ,&nbsp;Diana Cole ,&nbsp;Louis Passfield ,&nbsp;James Hopker","doi":"10.1016/j.jsams.2024.07.019","DOIUrl":"10.1016/j.jsams.2024.07.019","url":null,"abstract":"<div><h3>Objectives</h3><div>This study was designed to quantify inter- and intra-individual variability in performance, physiological, and perceptual responses to high-intensity interval training prescribed using the percentage of delta (%Δ) method, in which the gas exchange threshold and maximal oxygen uptake (V̇O_2max) are taken into account to normalise relative exercise intensity.</div></div><div><h3>Design</h3><div>Repeated-measures, within-subjects design with mixed-effects modelling.</div></div><div><h3>Methods</h3><div>Eighteen male and four female cyclists (age: 36 ± 12 years, height: 178 ± 10 cm, body mass: 75.2 ± 13.7 kg, V̇O_2max: 51.6 ± 5.3 ml·kg⁻¹·min⁻¹) undertook an incremental test to exhaustion to determine the gas exchange threshold and V̇O_2max as prescription benchmarks. On separate occasions, participants then completed four high-intensity interval training sessions of identical intensity (70 %Δ) and format (4-min on, 2-min off); all performed to exhaustion. Acute high-intensity interval training responses were modelled with participant as a random effect to provide estimates of inter- and intra-individual variability.</div></div><div><h3>Results</h3><div>Greater variability was generally observed at the between- compared with the within-individual level, ranging from 50 % to 89 % and from 11 % to 50 % of the total variability, respectively. For the group mean time to exhaustion of 20.3 min, inter- and intra-individual standard deviations reached 9.3 min (coefficient of variation = 46 %) and 4.5 min (coefficient of variation = 22 %), respectively.</div></div><div><h3>Conclusions</h3><div>Due to the high variability observed, the %Δ method does not effectively normalise the relative intensity of exhaustive high-intensity interval training across individuals. The generally larger inter- versus intra-individual variability suggests that day-to-day biological fluctuations and/or measurement errors cannot explain the identified shortcoming of the method.</div></div>","PeriodicalId":16992,"journal":{"name":"Journal of science and medicine in sport","volume":"27 12","pages":"Pages 875-882"},"PeriodicalIF":3.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141934675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Antidoping testing and testicle cancer diagnosis: An unexpected helper","authors":"Marco Vecchiato ,&nbsp;Veronica Baioccato ,&nbsp;Stefano Palermi","doi":"10.1016/j.jsams.2024.08.001","DOIUrl":"10.1016/j.jsams.2024.08.001","url":null,"abstract":"<div><div>Human chorionic gonadotrophin (hCG) is prohibited in male athletes due to its potential performance-enhancing effects. Some athletes with elevated hCG levels during routine doping tests have been diagnosed with testicular cancer, highlighting the inadvertent role of anti-doping screening in cancer detection. This study explores the incidental detection of testicular cancer through routine anti-doping tests among elite athletes, aiming to raise awareness about the potential secondary benefits of these screenings. We have analyzed cases from the past decade to demonstrate how early detection has facilitated timely medical interventions, allowing athletes to heal and return to competitive sports. Through these instances, athletes become unintentional advocates, contributing to public health awareness about this topic.</div></div>","PeriodicalId":16992,"journal":{"name":"Journal of science and medicine in sport","volume":"27 12","pages":"Pages 834-836"},"PeriodicalIF":3.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142008978","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Injury surveillance of head and neck injuries with a special focus on sport-related concussions: Eight seasons observational study in professional football in Qatar","authors":"Souhail Chebbi ,&nbsp;Andreas Bjerregaard ,&nbsp;Montassar Tabben ,&nbsp;Karim Chamari ,&nbsp;Louis Holtzhausen","doi":"10.1016/j.jsams.2024.08.202","DOIUrl":"10.1016/j.jsams.2024.08.202","url":null,"abstract":"<div><h3>Objectives</h3><div>To describe the head and neck injuries with a focus on Sport-Related Concussion (SRC) in professional football in Qatar (PFQ) during eight consecutive seasons.</div></div><div><h3>Design</h3><div>Prospective observational study.</div></div><div><h3>Methods</h3><div>Seventeen PFQ teams were included over eight seasons (2013/14–2020/21) study. The injury data were collected by the respective clubs' medical staff using standardized (time-loss injuries) protocols.</div></div><div><h3>Results</h3><div>Data were obtained from 119 teams' seasons resulting in a total of 87 head and neck injuries (1.8 % of the 4736 time-loss injuries). Head and neck injury rate was of 0.57 injury/squad-season (95%CI: 0.56–0.59), representing 0.12 injury/1000 h (95%CI: 0.09–0.14). Thirty-three concussions were recorded. The concussion rate was 0.25 injury/squad-season (95%CI: 0.23–0.26), representing 0.04 injury/1000 h (95%CI: 0.03–0.06). The concussion proportion of all head injuries was 31.7 % during the four initial seasons and 43.5 % during the following four seasons with a non-significant increase of 11.8 % (<em>X</em>² = 1267, p = 0.26).</div></div><div><h3>Conclusions</h3><div>Injury rates in this cohort remain lower than comparable leagues elsewhere. Even though the incidence rate of SRC did not change significantly over the eight seasons, seasonal variations' trend may indicate that the medical staff are more aware of diagnosing head and neck injuries, including concussion.</div></div>","PeriodicalId":16992,"journal":{"name":"Journal of science and medicine in sport","volume":"27 12","pages":"Pages 844-848"},"PeriodicalIF":3.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142145818","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Exploration of Alzheimer's disease-related gene expression following high-intensity and moderate-intensity exercise interventions","authors":"Kieran J. Marston ,&nbsp;Jaisalmer de Frutos-Lucas ,&nbsp;Tenielle Porter ,&nbsp;Lidija Milicic ,&nbsp;Michael Vacher ,&nbsp;Kelsey R. Sewell ,&nbsp;Jeremiah J. Peiffer ,&nbsp;Simon M. Laws ,&nbsp;Belinda M. Brown","doi":"10.1016/j.jsams.2024.07.017","DOIUrl":"10.1016/j.jsams.2024.07.017","url":null,"abstract":"<div><h3>Objectives</h3><div>There are currently 29 genome regions that demonstrate associations with Alzheimer's disease (AD) risk. Regular physical exercise can promote systemic change in gene expression and may modify the risk of cognitive decline and AD. This study is a secondary analysis of a randomised controlled trial and examines the effect of a six-month exercise intervention versus control on AD-related gene expression.</div></div><div><h3>Design</h3><div>Single-site parallel pilot randomised controlled trial.</div></div><div><h3>Methods</h3><div>91 cognitively unimpaired older adults were enrolled in the Intense Physical Activity and Cognition (IPAC) study. Participants were randomised into one of three groups: high-intensity exercise, moderate-intensity exercise, or inactive control for six months. Blood samples were collected prior to, and within two weeks of intervention completion, for later expression analysis of 96 genes. To explore the relationship between changes in gene expression and the intervention groups, an interaction term (“time point × intervention group”) was subsequently used.</div></div><div><h3>Results</h3><div>There were no significant differences in gene expression between the three intervention groups at baseline, nor after the intervention. Within groups, five genes were upregulated, seven were downregulated and the remainder remained unchanged. None of the examined genes showed significant change from pre- to post-intervention in the exercise groups compared to the control.</div></div><div><h3>Conclusions</h3><div>Exercise does not change AD-related gene expression in cognitively unimpaired older adults. Several gene expression targets have been identified for further study.</div></div>","PeriodicalId":16992,"journal":{"name":"Journal of science and medicine in sport","volume":"27 12","pages":"Pages 828-833"},"PeriodicalIF":3.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141913056","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The associations between organized sport participation and physical fitness and weight status development during adolescence","authors":"Iiris Kolunsarka ,&nbsp;David Stodden ,&nbsp;Arto Gråstèn ,&nbsp;Mikko Huhtiniemi ,&nbsp;Timo Jaakkola","doi":"10.1016/j.jsams.2024.07.013","DOIUrl":"10.1016/j.jsams.2024.07.013","url":null,"abstract":"<div><h3>Objectives</h3><div>We are yet to understand how continuous participation in organized sports, dropout from organized sports, or complete non-participation affect adolescents' trajectories of physical fitness and body mass index (BMI). Thus, the aim was to examine longitudinal changes in cardiorespiratory and muscular fitness, and BMI between adolescents 1) who continued or started organized sport participation, 2) who dropped out, and 3) who never participated in organized sport or dropped out before adolescence.</div></div><div><h3>Design</h3><div>Longitudinal observational study.</div></div><div><h3>Methods</h3><div>Over four years (2017–2021), sport participation, cardiorespiratory and muscular fitness, and BMI data were collected annually from 963 participants (Mage = 11.25 ± 0.31). Latent growth curve models were utilized to examine levels (baseline) and slopes (rate of change) of BMI, cardiorespiratory, and muscular fitness in each sport participation group.</div></div><div><h3>Results</h3><div>Fitness levels significantly varied among groups. Continuing sport participants exhibited the highest levels, non-participants the lowest. Both groups showed significant improvements in cardiorespiratory and muscular fitness over time. Dropouts had higher baseline fitness than non-participants but demonstrated no change in cardiorespiratory fitness over time and a significantly smaller increase in muscular fitness than the two other groups. BMI increased similarly in all groups, with non-participants starting at higher baseline levels.</div></div><div><h3>Conclusions</h3><div>Individuals who continually participated in sports maintained higher levels of fitness than individuals who did not participate in organized sports across adolescence. However, individuals who dropped out of organized sports, showed plateau in their fitness improvements, suggesting that the physical activity previously obtained through organized sports may not be replaced elsewhere.</div></div>","PeriodicalId":16992,"journal":{"name":"Journal of science and medicine in sport","volume":"27 12","pages":"Pages 863-868"},"PeriodicalIF":3.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141852984","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Injury epidemiology in male and female competitive diving athletes: A four-year observational study","authors":"Benjamin M. Currie ,&nbsp;Michael Hetherington ,&nbsp;Gordon Waddington ,&nbsp;Nicholas A.T. Brown ,&nbsp;Michael K. Drew ,&nbsp;Jeremy Witchalls ,&nbsp;Liam A. Toohey","doi":"10.1016/j.jsams.2024.08.204","DOIUrl":"10.1016/j.jsams.2024.08.204","url":null,"abstract":"<div><h3>Objectives</h3><div>To describe the incidence, severity, burden and sport specific characteristics of injuries reported in elite diving athletes.</div></div><div><h3>Design</h3><div>Descriptive epidemiology study.</div></div><div><h3>Methods</h3><div>Medical attention and time-loss injuries from 63 (43 female, 20 male) Australian national diving programme athletes were prospectively collected over four seasons (September 2018–August 2022). Injury incidence rates and burden were calculated, standardised per 365 athlete days, and compared across groups using negative binomial generalised linear models.</div></div><div><h3>Results</h3><div>In total 421 injuries were reported (female = 292, male = 129) at an injury incidence rate of 2.36 (95 % confidence interval = 2.14–2.60) per 365 athlete days. Annual injury prevalence ranged from 70.0 to 85.1 %. Approximately two-thirds of injuries (67.2 %) resulted in a period of time-loss. The overall injury burden was 91 days of absence (95 % confidence interval = 81–102) per 365 athlete days. Stress fractures in springboard diving athletes incurred the largest mean days of time-loss compared to other injured tissue types. The majority of injuries were reported to occur during training (79.3 %) as opposed to competition (2.4 %), with more than half (55.3 %) of all reported injuries occurring during pool training sessions. Water entry (30.4 %) or take-off (27.8 %) were the most frequently reported mechanism of injury.</div></div><div><h3>Conclusions</h3><div>Annual injury prevalence reported in competitive Australian diving athletes was found to be high. Contrary to existing literature, competitive diving injuries were reported to occur within the daily training environment, with few injuries occurring during competition. Notable injury differences between springboard and platform athletes were observed.</div></div>","PeriodicalId":16992,"journal":{"name":"Journal of science and medicine in sport","volume":"27 12","pages":"Pages 849-855"},"PeriodicalIF":3.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142199720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"From Tokyo through Paris to Los Angeles and beyond – Preparing athletes to face the heat of a warming world","authors":"C.C.W.G. Bongers ,&nbsp;L.J. James ,&nbsp;J.D. Périard","doi":"10.1016/j.jsams.2024.07.015","DOIUrl":"10.1016/j.jsams.2024.07.015","url":null,"abstract":"","PeriodicalId":16992,"journal":{"name":"Journal of science and medicine in sport","volume":"27 12","pages":"Pages 890-893"},"PeriodicalIF":3.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141850029","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Coverage from medical teams and injury/illness epidemiology within youth athletics in Africa: A prospective study during the 2023 African Youth Under 18/20 Athletics Championships","authors":"Pascal Edouard ,&nbsp;Davie Mulenga ,&nbsp;Pierre-Eddy Dandrieux ,&nbsp;Florence Salati ,&nbsp;Jessica Wallace ,&nbsp;Oluwatoyosi Owoeye","doi":"10.1016/j.jsams.2024.07.014","DOIUrl":"10.1016/j.jsams.2024.07.014","url":null,"abstract":"<div><h3>Objectives</h3><div>To describe athletes' coverage by national medical teams, and injuries and illnesses occurring during the four weeks before and during the 2023 African Youth Under 18/20 Athletics Championships.</div></div><div><h3>Design</h3><div>Cross-sectional and prospective cohort study design.</div></div><div><h3>Methods</h3><div>We conducted a study with data collection of: 1) national medical teams, 2) injury and illness complaints during the four weeks preceding the championships using an online pre-participation health questionnaire, and 3) newly incurred in-championship injuries and illnesses collected by national medical teams and the local organising committee using daily standardised online report forms, for all registered athletes at the championships.</div></div><div><h3>Results</h3><div>Among the 43 countries participating at the championships, 15 (34.9 %) countries had a medical team with at least one medical personnel. Of the 15 countries, 6 (40.0 %) countries had at least one physiotherapist and one physician, 4 (26.7 %) countries had only physiotherapist(s), and 5 (33.3 %) countries had only physician(s). Nine (60 %) countries participated in the injury surveillance study, including 397 athletes: 61 (15.4 %) completed the pre-participation health questionnaire and 11 athletes (18.0 %) reported an <em>injury complaint</em> and 6 (9.8 %) an <em>illness complaint</em> during the four weeks before the championships. During the championships, there were 52.9 injuries and 50.4 illnesses per 1000 registered athletes. The main injury location was the thigh (33.3 %), and the main injury type was the muscle (47.6 %). The most common system affected by illness was the upper respiratory tract (55.0 %), and the main illness cause was idiopathic (50.0 %).</div></div><div><h3>Conclusions</h3><div>This preliminary study provides foundational information to improve medical coverage and services during international championships, and orient injury/illness prevention in youth athletics across Africa.</div></div>","PeriodicalId":16992,"journal":{"name":"Journal of science and medicine in sport","volume":"27 12","pages":"Pages 837-843"},"PeriodicalIF":3.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141883901","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}