1. Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
2. Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
3. Department of Environmental Health Sciences, Yale School of Public Health, New Haven, Connecticut
4. Yale Center for Perinatal, Pediatric, and Environmental Epidemiology, Yale School of Public Health, New Haven, Connecticut
5. The Ministry of Education–Shanghai Key Laboratory of Children’s Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China