?:authorAffiliation
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[\'Department of Geriatric Respiratory and Critical Care, the First Affiliated Hospital of Anhui Medical University, Hefei, PR China.\', \'Institute of Respiratory Diseases, Anhui Medical University, Hefei, PR China.\', \'Anhui Geriatric Institute, Hefei, PR China.\', \'Fuyang Infectious Disease Clinical College of Anhui Medical University, Fuyang, PR China.\', \'Department of Respiratory and Critical Care, the Second People\'s Hospital of Fuyang City, Fuyang, PR China.\', \'Department of Respiratory, Lu\'an Hospital affiliated to Anhui Medical University, Lu\'an, PR China.\', \'Department of Infectious Disease, Lu\'an Hospital affiliated to Anhui Medical University, Lu\'an, PR China.\', \'Anhui Key Laboratory of Geriatric Molecular Medicine, Anhui Medical University, Hefei, PR China.\']
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