?:authorAffiliation
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[\'Department of Geriatrics, Beijing Hospital, National Center of Gerontology; Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China (mainland).\', \'Department of Neurosurgery, The Seventh Medical Center, Chinese People\'s Liberation Army (PLA) General Hospital, Beijing, China (mainland).\', \'Nursing Department, Beijing Hospital, National Center of Gerontology; Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China (mainland).\']
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