1. Key Laboratory of Chemical Safety and HealthNational Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and PreventionBeijing China
2. Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and GeneticsNational Cancer Institute. Rockville Maryland
3. Chaoyang Center for Disease Control and preventionChaoyang China
4. Institute for Risk Assessment SciencesUtrecht UniversityUtrecht The Netherlands
5. Hong Kong UniversityHong Kong China
6. School of Public Health, Qingdao UniversityQingdao China