1. The Second Affiliated Hospital of Anhui Medical University, Hefei, China
2. Weil Institute of Emergency and Critical Care Research, Virginia Commonwealth University, Richmond, VA
3. Departments of Internal Medicine and Emergency Medicine, Virginia Commonwealth University, Richmond, VA
4. Department of Emergency Medicine, Virginia Commonwealth University, Richmond, VA
5. Sun Yat‐sen Memorial Hospital, Sun Yat‐sen University, Guangzhou, China