1 Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China;School of Public Health, Institute of Environment and Population Health, Anhui Medical University, Hefei 230032, Anhui, China;Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing 210029, Jiangsu, China;School of Public Health and Social Work, Queensland University of Technology, Brisbane 4059, Australia.
2 Department of Clinical Epidemiology, University of Aarhus, Aarhus 8000, Denmark.
3 Department of Environmental Health, Boston University School of Public Health, Boston MA02215, USA.