1. JC School of Public Health and Primary Care; The Chinese University of Hong Kong; Sha Tin Hong Kong
2. Shenzhen Prevention and Treatment Center for Occupational Diseases; Shenzhen China
3. Department of Medicine and Therapeutics, Faculty of Medicine; The Chinese University of Hong Kong; Sha Tin Hong Kong
4. Division of Environmental Epidemiology, Institute for Risk Assessment Sciences; Utrecht University; Utrecht The Netherlands
5. Shenzhen Municipal Key Laboratory for health Risk Analysis; Shenzhen Research Institute of the Chinese University of Hong Kong; Shenzhen China