1. Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics National Cancer Institute Rockville Maryland USA
2. Key laboratory of Chemical Safety and Health, National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention Beijing China
3. Department of Epidemiology and Population Health Albert Einstein College of Medicine Bronx New York USA
4. Chaoyang Center for Disease Control and Prevention Chaoyang Liaoning China
5. School of Public Health, Li Ka Shing (LKS) Faculty of Medicine The University of Hong Kong Hong Kong
6. Institute for Risk Assessment Sciences Utrecht University Utrecht The Netherlands
7. Department of Epidemiology, School of Public Health China Medical University Shenyang China
8. School of Public Health Qingdao University Qingdao China