Department of Intensive Care Unit, Anhui No.2 Provincial People's Hospital, Hefei, Anhui 230041, China;
Department of Intensive Care Unit, Anhui No.2 Provincial People's Hospital, Hefei, Anhui 230041, China;
Department of Intensive Care Unit, Anhui No.2 Provincial People's Hospital, Hefei, Anhui 230041, China;
Department of Intensive Care Unit, Anhui No.2 Provincial People's Hospital, Hefei, Anhui 230041, China;
Department of Intensive Care Unit, Anhui No.2 Provincial People's Hospital, Hefei, Anhui 230041, China;
Department of Intensive Care Unit, Anhui No.2 Provincial People's Hospital, Hefei, Anhui 230041, China;
Department of Intensive Care Unit, Anhui No.2 Provincial People's Hospital, Hefei, Anhui 230041, China;
Department of Intensive Care Unit, Anhui No.2 Provincial People's Hospital, Hefei, Anhui 230041, China;
Hefei Center for Disease Control and Prevention, Hefei, Anhui 230061, China;