Injury prevention : journal of the International Society for Child and Adolescent Injury Prevention最新文献

{"title":"School shootings and mental health outcomes: a scoping review.","authors":"Camerin A Rencken, Samantha Banks, Alice M Ellyson, Carol A Davis, Isaac C Rhew, Ali Rowhani-Rahbar","doi":"10.1136/ip-2025-045653","DOIUrl":"https://doi.org/10.1136/ip-2025-045653","url":null,"abstract":"<p><strong>Objective: </strong>Recent data indicate a rising frequency of school shootings over the past two decades. Although these events are relatively rare within the broader context of firearm violence, more than 357 000 students have been exposed to firearm violence in primary and secondary schools since 1999. However, the psychological impacts remain poorly understood. This scoping review synthesises existing evidence and highlights gaps for further research.</p><p><strong>Methods: </strong>A systematic search was conducted across PubMed, PsycINFO, Web of Science and Criminal Justice Abstracts to identify empirical studies on school shootings and mental health outcomes. Inclusion criteria encompassed all publication dates, study designs and populations affected. Key attributes were extracted and analysed from included studies.</p><p><strong>Results: </strong>Of 2798 studies identified, 84 met inclusion criteria, with 13% being qualitative. Despite covering 19 unique shootings, 40% of the articles focused on Virginia Tech and Northern Illinois University. Most studies were cross-sectional (42%), and students were the primary population studied (80%). Post-traumatic stress disorder (29%) and depression (11%) were the most commonly studied outcomes. Common predictors included age (13%) and trauma history (12%). Higher exposure levels to school shootings, prior trauma and existing mental health conditions were key predictors of adverse mental health outcomes. Social support from family or peers emerged as protective factors.</p><p><strong>Conclusion: </strong>While findings of this review suggest that there is a substantial impact of school shootings on survivors' mental health, additional research is needed to encompass impacted communities beyond students, integrate qualitative methods and incorporate longitudinal studies to track mental health outcomes over time.</p>","PeriodicalId":520647,"journal":{"name":"Injury prevention : journal of the International Society for Child and Adolescent Injury Prevention","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144661734","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":"Low Traffic Neighbourhoods in London reduce road traffic injuries: a controlled before-and-after analysis (2012-2024).","authors":"Jamie Furlong, David Fevyer, Ben Armstrong, Phil Edwards, Rachel Aldred, Anna Goodman","doi":"10.1136/ip-2024-045571","DOIUrl":"10.1136/ip-2024-045571","url":null,"abstract":"<p><strong>Background: </strong>Between 2015 and 2024, 113 Low Traffic Neighbourhoods (LTNs) were implemented across Greater London, with 27 subsequently removed. We investigated their impacts on road traffic injuries inside LTNs and on 'boundary roads' immediately surrounding the LTNs.</p><p><strong>Methods: </strong>We matched police-recorded injuries from STATS19 data to Ordnance Survey road links that were spatially intersected with LTNs/boundary roads. Conditional fixed-effects Poisson regression models used the number of injuries per road link per quarter of each year (January 2012 to June 2024) to test whether LTN implementation was associated with changes in injury rates.</p><p><strong>Results: </strong>LTN implementation was associated with a 35% (95% CI 29% to 40%; p<0.001) decrease in all injuries and a 37% (95% CI 24% to 48%; p<0.001) decrease in people Killed or Seriously Injured (KSI). Injuries decreased across a range of casualty and LTN characteristics. However, there was evidence of a smaller benefit in LTNs implemented in Outer London since 2020. Following the removal of an LTN, injury numbers increased back to pre-intervention levels. On boundary roads, there was no evidence of a change in total injury numbers (estimate -2%, 95% CI -5% to +2%) or KSI injury numbers (estimate 0%, 95% CI -7% to +8%). This reflected decreased numbers of injuries on boundary roads for cyclists and motorcyclists, and no change for pedestrians and other motor vehicle users.</p><p><strong>Conclusion: </strong>LTNs in London reduced road traffic injuries among all road users inside the LTN areas, with no evidence of overall impact (and for cyclists and motorcyclists a benefit) on boundary roads.</p>","PeriodicalId":520647,"journal":{"name":"Injury prevention : journal of the International Society for Child and Adolescent Injury Prevention","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144586110","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":"Paths and their implications of parents' health literacy on road traffic injuries in children aged 0-6 years in China: a mixed methods approach.","authors":"Miaomiao Chen, Kaiyue Chen, Yuheng Feng, Jingwei Xia, Qinghua Xia, Jicui Zheng, Yu Jiang, Xiaohong Li","doi":"10.1136/ip-2025-045676","DOIUrl":"https://doi.org/10.1136/ip-2025-045676","url":null,"abstract":"<p><strong>Background: </strong>Road traffic injuries are a major global public health concern. Community-based interventions are an effective way to prevent unintentional injury in children aged 0-6 years. Parental health literacy is closely associated with child safety. This study explores whether the relationship and impact between the components of parents' health literacy are related to children's road traffic injuries.</p><p><strong>Methods: </strong>We conducted a mixed-methods study. The first component involved a questionnaire to 352 participants and identified the paths between the components of parents' health literacy related to children's road traffic injuries, using structural equation modelling. The second component conducted semi-structured interviews with 35 experts and parents.</p><p><strong>Results: </strong>The average total score of parents' health literacy was 76.29±7.65. Components ranked by score: 'use', 'understand', 'belief', 'access' and strengthening 'communication'. Confirmatory factor analysis global model fit well (Comparative Fit Index（CFI）=0.991,Root Mean Square Error Approximation(RMSEA)=0.024, Standardized Root Mean Square Residual(SRMR)=0.029). Significant direct effects: 'access' had an effect on 'communication', 'understanding' influenced 'belief', 'communication' and 'belief' influenced 'use', and 'use' influenced the occurrence of road traffic injuries. The standardised path coefficients were 0.200, 0.051, 0.241, 0.419 and -0.009, respectively. Two paths identified: 'access→communication→use→road traffic injury' and 'understand→belief→use→road traffic injury'. The semistructured interview identified the community-based intervention measures for addressing five priority problems. Finally, a conceptual framework was developed.</p><p><strong>Conclusions: </strong>Community health education can leverage direct effects while considering behavioural influencing factors and developing targeted interventions to improve parents' health literacy to reduce or prevent road traffic injuries among children worldwide, especially in developed cities.</p>","PeriodicalId":520647,"journal":{"name":"Injury prevention : journal of the International Society for Child and Adolescent Injury Prevention","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144652038","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":"Influence of cannabis and alcohol on motor vehicle injury severity in Canadian trauma centres: a prospective study.","authors":"Sarah M Simmons, Madison Donoghue, Shannon Erdelyi, Herbert Chan, Christian Vaillancourt, Paul Atkinson, Floyd Besserer, David B Clarke, Phil Davis, Raoul Daoust, Marcel Émond, Jeffrey Eppler, Jacques S Lee, Andrew MacPherson, Kirk Magee, Eric Mercier, Robert Ohle, Michael Parsons, Jagadish Rao, Brian H Rowe, John Taylor, Ian Wishart, Jeffrey R Brubacher","doi":"10.1136/ip-2025-045642","DOIUrl":"https://doi.org/10.1136/ip-2025-045642","url":null,"abstract":"<p><strong>Background: </strong>Alcohol and delta-9-tetrahydrocannabinol (THC) (main impairing ingredient of cannabis) are both crash contributors that interfere with motor vehicle operation. However, the relationship between drug concentration and crash injury severity is unclear for either drug. We aim to clarify the relationship between blood alcohol concentration (BAC) and crash injury severity, based on healthcare system utilisation, with and without THC.</p><p><strong>Methods: </strong>The National Drug Driving Study is an ongoing prospective study involving 17 Canadian trauma centres. Eligible subjects included drivers aged 16+ who visited a participating trauma centre and had blood drawn as part of routine care within 6 hours of a crash. Deidentified blood samples were tested for alcohol and THC using gas chromatography-flame ionisation detection and liquid chromatography/tandem mass spectrometry. Study outcomes included admission to hospital and admitted patients' length of hospital stay.</p><p><strong>Results: </strong>10 322 injured drivers visited a participating trauma centre between 2018 and 2023. 1649 (16.0%), 1716 (16.6%) and 463 (4.5%) drivers had detectable levels of alcohol, THC or both, respectively. Compared with sober drivers (BAC=0), drivers with 0%<BAC<0.08% had increased odds of admission (aOR=1.69, 95% CI=1.31 to 2.19), as did drivers with BAC≥0.08% (aOR=1.36, 95% CI=1.16 to 1.60). THC did not modify the relationship between alcohol and admission. Neither alcohol nor THC predicted were associated with length of stay following admission.</p><p><strong>Interpretation: </strong>Alcohol increases hospital admissions after crashes but does not have a dose-response relationship with admission or length of stay. THC does not moderate this relationship.</p>","PeriodicalId":520647,"journal":{"name":"Injury prevention : journal of the International Society for Child and Adolescent Injury Prevention","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144652037","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":"Incidence and characteristics of self-harm during the 3-year period of COVID-19-related social distancing in the Republic of Korea.","authors":"Kwang Yul Jung, Sejin Heo, Taerim Kim, Won Chul Cha","doi":"10.1136/ip-2024-045452","DOIUrl":"https://doi.org/10.1136/ip-2024-045452","url":null,"abstract":"<p><strong>Background: </strong>Suicide is a leading cause of mortality worldwide, and self-harm is a key risk factor. Continuous monitoring of self-harm trends facilitates effective prevention. During the coronavirus disease pandemic, social distancing significantly influenced self-harm incidence. This study aimed to compare self-harm rates and patient characteristics in 3-year prepandemic and pandemic periods (2017-2019 and 2020-2022, respectively).</p><p><strong>Methods: </strong>We retrospectively analysed and subdivided the data over 6 years into 3-month intervals, obtained from the Emergency Department (ED)-based Injury In-depth Surveillance database, South Korea, to examine changes in the incidence of self-harm in patients visiting the ED from the prepandemic to pandemic period and compared the characteristics of patients who attempted self-harm and risk factors for in-hospital mortality.</p><p><strong>Results: </strong>Among 8 02 032 patients (age: 18-64 years), we identified 45 535 patients with self-harm injuries (overall rate: 5.68%), which significantly increased during the pandemic (4.6% (21 852) in 2017-2019 to 7.2% (n=23 683) in 2020-2022). Age-group-stratified comparisons showed increased self-harm incidence across all age groups, especially among women younger than 30 years, during the pandemic period. The proportion of self-harm attributed to psychological problems increased markedly. However, the two periods showed no significant difference in the in-hospital mortality.</p><p><strong>Discussion and conclusion: </strong>The incidence of self-harm significantly increased and remained consistently higher in patients visiting EDs throughout the pandemic period than during the 3 years prepandemic, even after the relaxation of social distancing measures. Young women primarily drove this increase, and psychological problems constituted a major risk factor.</p>","PeriodicalId":520647,"journal":{"name":"Injury prevention : journal of the International Society for Child and Adolescent Injury Prevention","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144645200","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":"Cost analysis examining the excess healthcare costs among Veterans who had a non-fatal firearm injury between 2010 and 2019.","authors":"AnnaMarie O'Neill, Elizabeth R Hooker, Sarah Shull, Tess A Gilbert, Lauren Maxim, Kathleen F Carlson","doi":"10.1136/ip-2024-045471","DOIUrl":"https://doi.org/10.1136/ip-2024-045471","url":null,"abstract":"<p><strong>Objective: </strong>Veterans are disproportionately affected by firearm injury (FAI). Beyond the human toll of FAIs, they also strain healthcare systems. This study examined excess costs from FAIs incurred by the Veterans Affairs (VA) Healthcare System among a cohort of VA-using Veterans.</p><p><strong>Methods: </strong>Using International Classification of Diseases external cause-of-injury codes from VA administrative data, we identified Veterans with non-fatal FAI visits between 2010 and 2019 ('cases'). We matched cases to two uninjured Veterans 'controls' by cost-relevant characteristics (eg, a prediction score of future healthcare costs). Average VA healthcare costs were calculated for all Veterans 1 year post-index date and were compared between cases and controls and by Veteran and injury characteristics. Sensitivity analyses examined characteristics and costs for cases who were not matched to controls.</p><p><strong>Results: </strong>The sample (N=30 624) consisted of cases (n=10 208) and their matched controls (n=20 416). Average healthcare costs for cases were 2.1 times higher than for controls (US$31 049 vs US$14 685), resulting in mean excess healthcare costs of US$16 364 per case in the year following their index date. Injuries categorised as intentional were associated with two times the excess cost of injuries categorised as unintentional (US$23 049 vs US$11 190).</p><p><strong>Conclusion: </strong>The cost of providing care for Veterans in the year following an FAI was over two times as high as for similar Veterans without an FAI. Costs varied by intent. The excess costs reported in this study are conservative estimates of the true costs that the VA paid in the year post-injury. Policy implications are discussed.</p>","PeriodicalId":520647,"journal":{"name":"Injury prevention : journal of the International Society for Child and Adolescent Injury Prevention","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144645199","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":"'Road safety is no accident': building efficient road safety lead agencies, strategies and targets in the world, 2009-2023.","authors":"Matts-Åke Belin, Meleckidzedeck Khayesi, Nhan Tran","doi":"10.1136/ip-2024-045601","DOIUrl":"https://doi.org/10.1136/ip-2024-045601","url":null,"abstract":"<p><p>The objective of this study is to examine the pattern in building road safety lead agencies, national strategies and national quantified targets in the world in the period 2009-2023. This was done through an analysis of reported presence of road safety lead agencies, national strategies and national quantified targets based on data collected through a questionnaire for five global status reports on road safety. The results show that there has been a steady growth in road safety lead agencies, national strategies and quantified targets globally and by WHO regions in the period 2009-2023. While, on the one hand, substantial increases in these three governance features were observed in Africa and the Americas, on the other hand, slight declines were observed in these features in Europe and some countries in the Pacific. In conclusion, there has been a steady growth in the number of road safety lead agencies, national strategies and quaantified targets globally and by WHO regions in the period 2009-2023. However, there were declines in these governance tools in some countries. Further resarch into how efficiently these tools are being used is needed to provide insights into the effectiveness of road safety policies, organisations and institutions worldwide.</p>","PeriodicalId":520647,"journal":{"name":"Injury prevention : journal of the International Society for Child and Adolescent Injury Prevention","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144645201","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":"'Better together': codesign of Aboriginal unintentional child injury prevention programme.","authors":"Nellie Pollard-Wharton, Amy Townsend, B J Newton, Melanie Andersen, Rona Macniven, Christine Corby, Ruth McCausland, Peta Macgillivray, Wendy Spencer, Kate Hunter, Kathleen Clapham, Christine Erskine, Madeleine Powell, Rebecca Q Ivers","doi":"10.1136/ip-2024-045355","DOIUrl":"https://doi.org/10.1136/ip-2024-045355","url":null,"abstract":"<p><strong>Objective: </strong>To describe the co-design of an Aboriginal unintentional child injury prevention programme in partnership with Walgett Aboriginal Medical Service.</p><p><strong>Methods: </strong>An iterative codesign process using Indigenous research methodology and development of a programme logic model was employed with oversight from a panel of injury experts and key stakeholders. Yarning, stakeholder interviews and a codesign approach to programme development, piloting and evaluation were used. Informed by family and community priority setting, an unintentional child injury prevention programme was designed and delivered through a locational supported playgroup in an Aboriginal community-controlled medical service.</p><p><strong>Results: </strong>Through an Aboriginal-led codesign approach, a comprehensive injury prevention programme and accompanying manual was developed by the community, for the community. Informed and guided by participants, the researcher's areas of child injury considered of high value within their community were addressed within the developed programme. The key safety areas identified were water safety, road safety and safety around the home. Data collected throughout the iterative design process shaped the delivery of the programme to ensure it met community needs. In addition to the creation of the manuals, the programme included complementary initiatives to support the delivery. Water safety included mums and bubs swim lessons/water familiarisation. Road safety included car restraint fittings. Home safety included a Goonimoo open day collaboration with KidSafe New South Wales with safety promotion information and resources.</p><p><strong>Conclusions and public health implications: </strong>Codesigning an injury prevention programme with staff at an Aboriginal Medical Service and injury experts provided a culturally tailored response to the needs of the community and partners. This process and approach has demonstrated the feasibility of the use of codesigned processes for the development of community-based injury prevention programmes.</p>","PeriodicalId":520647,"journal":{"name":"Injury prevention : journal of the International Society for Child and Adolescent Injury Prevention","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144639571","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":"Whistleblower: the front line and critical facilitator for injury prevention policy?","authors":"Stephen W West, Emily Heming, Connie Klassen, Keith Lewis, Carolyn A Emery","doi":"10.1136/ip-2025-045744","DOIUrl":"https://doi.org/10.1136/ip-2025-045744","url":null,"abstract":"","PeriodicalId":520647,"journal":{"name":"Injury prevention : journal of the International Society for Child and Adolescent Injury Prevention","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144639572","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":"Emergency department visits for concussion in children and youth by age, sex and material deprivation in Ontario, Canada, 2010-2020: a population-based study.","authors":"Alison K Macpherson, Joshua Harkins, Lauren E Sergio, Omidreza Sadrmanesh, Carolyn Emery, Linda Rothman","doi":"10.1136/ip-2024-045556","DOIUrl":"https://doi.org/10.1136/ip-2024-045556","url":null,"abstract":"<p><strong>Background/aims: </strong>Concussion has been a topic of concern in Ontario, Canada, and elsewhere, and new research and guidelines are emerging. The association between material deprivation and emergency department (ED) visits for concussions is not well established, and many studies have focused on organised sports which may not be equally accessible. The objective of this study was to examine the association between material deprivation, age, sex and ED visits for concussions in children and youth (0-19).</p><p><strong>Methods: </strong>This study used administrative data from ICES in Ontario, Canada. All ED visits for children and adolescents with International Classification of Disease version 10 S060 are included. The denominator was the number of children residing in Ontario. Incidence rate per 100 000 and 95% CIs were calculated.</p><p><strong>Results: </strong>The ED visit rate per 100 000 children and adolescents varied by year, material deprivation, age and sex. Rates among children with the greatest material deprivation (quintile 5) were 36.7 in 2010 and 43.3 in 2020, while the corresponding rates in the lowest quintile were 62.6 and 61.8. The ED visit rate was increasing prior to the pandemic in 2020.</p><p><strong>Conclusions: </strong>Children in a lower material deprivation quintile consistently visited EDs for concussion more frequently than children from higher quintiles. Children in less deprived areas may be more able to participate in organised sports and more aware of concussion policies such as Rowan's Law which requires medical care following a suspected sport-related concussion. Resources related to awareness and identification of concussions should be considered for all children and youth.</p>","PeriodicalId":520647,"journal":{"name":"Injury prevention : journal of the International Society for Child and Adolescent Injury Prevention","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144621739","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}