?:authorAffiliation
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[\'First Department of Health Care, The Second Medical Center and National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing 100853, China.\', \'Department of Disease Control and Prevention, The First Medical Center of Chinese PLA General Hospital, Beijing 100853, China.\', \'Department of Rehabilitation Medicine, The Second Medical Center and National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing 100853, China.\']
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