?:authorAffiliation
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[\'Department of Respiratory and Critical Care Medicine, Peking University Third Hospital, Beijing, China.\', \'Research Center of Clinical Epidemiology, Peking University Third Hospital, Beijing, China.\', \'Ethics Committee for Medical Scientific Research, Peking University Third Hospital, Beijing, China.\', \'Department of Respiratory and Critical Care Medicine, Peking University Third Hospital, Beijing, China; Ethics Committee for Medical Scientific Research, Peking University Third Hospital, Beijing, China.\', \'Ethics Committee for Medical Scientific Research, Peking University Third Hospital, Beijing, China; Department of Orthopedics, Peking University Third Hospital, Beijing, China.\']
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