?:authorAffiliation
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[\'Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, Eunpyeong St. Mary\'s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.\', \'Department of Laboratory Medicine, Eunpyeong St. Mary\'s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.\', \'Division of Gastroenterology, Department of Internal Medicine, Eunpyeong St. Mary\'s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.\', \'Division of Infectious Diseases, Department of Internal Medicine, Eunpyeong St. Mary\'s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.\']
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