1. Institute of Occupational Health and Environmental Health, School of Public Health, Lanzhou University, Lanzhou 730000, China
2. Gansu Provincial Centre for Diseases Prevention and Control, Lanzhou 730000, China
3. Shanghai Key Laboratory of Meteorology and Health, Shanghai Meteorological Bureau, Shanghai 200030, China
4. Shanghai Typhoon Institute, China Meteorological Administration, Shanghai 200030, China