Medical Intensive Care Unit, Peking Union Medical College Hospital, Beijing 100730, China;
Department of Critical Care Medicine, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China;
Department of Critical Care Medicine, First Affiliated Hospital, Xinjiang Medical University, Urumqi, Xinjiang 830054, China;
Department of Emergency Medicine and Medical Intensive Care Unit, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650032, China;
Department of Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China;
Department of Critical Care Medicine, Guangdong General Hospital, Guangzhou, Guangdong 510080, China;
Department of Emergency Medicine, Ruijin Hospital, Shanghai Jiao Tong University, Shanghai 200025, China;
Department of Critical Care Medicine, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350005, China;