1. Meteorological Medical Research Center, Panzhihua Central Hospital, Panzhihua, Sichuan Province, China
2. Clinical Medical Research Center, Panzhihua Central Hospital, Panzhihua, Sichuan Province, China
3. Dali University, Dali, Yunnan Province, China
4. Institute for Disaster Management and Reconstruction, Sichuan University - Hong Kong Polytechnic University, Chengdu, Sichuan Province, China
5. Tibet Center for Disease Control and Prevention, Lhasa, Tibet Autonomous Region, China
6. Yunnan Center for Disease Control and Prevention, Kunming, Yunnan Province, China
7. Nursing department, Panzhihua Central Hospital, Panzhihua, Sichuan Province, China
8. Department of Respiratory and Critical Care Medicine, Panzhihua Central Hospital, Panzhihua, Sichuan Province, China
9. Department of Epidemiology, School of Public Health, Fudan University, Shanghai, China
10. Department of Pharmacy, Panzhihua Central Hospital, Panzhihua, Sichuan Province, China