1. Emergency Department, Peking Union Medical College Hospital, Beijing 100730, China
2. Emergency Department, Beijing Hospital of the Ministry of Health, Beijing 100005, China
3. Emergency Department, The First Affiliated Hospital of Fujian Medical University, Fuzhou 350005, China
4. Emergency Department, Zhongda Hospital, Dongnan University, Nanjing 210009, China
5. Emergency Department, Hubei Provincial Hospital, Wuhan 430000, China
6. Emergency Department, The First Affiliated Hospital of Huaxi Medical College of Sichuan University, Chengdu 610044, China
7. Emergency Department, Xinhua Hospital, Shanghai Jiao Tong University, Shanghai 200093, China
8. Emergency Department, Saint Louis University, Saint Louis, MO 63130, USA
9. Emergency Department, The First Affiliated Hospital of Kunming Medical University, Kunming 650034, China
10. Emergency Department, PLA 263 Hospital, Beijing 101199, China