| Affiliation: | 1. Clinical Research Center of Occupational Diseases, The Affiliated Shanghai Pulmonary Hospital of Tongji University School of Medicine, Shanghai, China;2. National Institute for Occupation Health and Poison Control, Chinese Center for Disease Control and Prevention, Beijing, China;3. Department of Occupational Disease, Suzhou No. 5 People's Hospital, Suzhou, China;4. School of Public Health, Qingdao University, Qingdao, China;5. Institute of Occupational Disease Prevention, Hubei Provincial Center for Disease Control and Prevention, Wuhan, China;6. Department of Public Administration, Huangshi Center for Disease Control and Prevention, Huangshi, China;7. Occupation Disease Prevention and Control Center Section, Huangshi Center for Disease Control and Prevention, Huangshi, China;8. Department of Enviromental Health, Suzhou Center for Disease Control and Prevention, Suzhou, China;9. Institute of Occupational Disease Prevention, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, China;10. Department of Respiratory Medicine, Honghe Prefecture Third People's Hospital, Honghe, China |
