1. Department of Occupational and Environmental Health, MOE Key Lab of Environmental and Occupational Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
2. Department of Occupational and Environmental Health, School of Public Health, Wuhan University of Science and Technology, Wuhan, China
3. Key Laboratory of Occupational Disease Hazard Identification and Control of Hubei Province, Wuhan University of Science and Technology, Wuhan, China
4. Department of Orthopedics, The Airborne Troops Hospital of Chinese PLA, Wuhan, China
5. School of Public Health, Peking University, Beijing, China