?:authorAffiliation
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[\'26447Department of Biostatistics, Peking University First Hospital, Beijing, China.\', \'Department of Epidemiology and Health Statistics, School of Public Health, 379397Capital Medical University, and Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing, China.\', \'2297Department of Customer Advisory, SAS Institute Inc, Beijing, China.\', \'Department of Health Management and Policy, School of Public Health, 379397Capital Medical University, Beijing, China.\']
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