Affiliation: | 1. National Institute for Occupational Health and Poison Control, China CDC, Beijing, China;2. Department of Epidemiology, Peking Union Medical College, Beijing, China;3. Professor.;4. Associate Professor.;5. Fujian Province Center for Occupational Disease and Chemical Poison Prevention and Control, Fujian Province, China;6. Assistant Professor.;7. Professor and Director.;8. Professor and Chair. |