?:authorAffiliation
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[\'Department of Orthopedics, Beijing Hospital, National Center of Gerontology, Beijing, People\'s Republic of China.\', \'Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, People\'s Republic of China.\', \'Department of Joint and Sports Medicine, Zaozhuang Municipal Hospital Affiliated to Jining Medical University, Shandong, People\'s Republic of China.\']
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