1. Child Health Big Data Research Center, Capital Institute of Pediatrics, Chaoyang District, Beijing, China
2. Department of Health Policy and Administration, Institute for Health Research and Policy, University of Illinois at Chicago, Chicago
3. Children and Teen Center, University of Pittsburgh Medical Center, Harrisburg, Pennsylvania
4. Departments of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, New York
5. Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, New York
6. Department of Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York, New York