[1] Guangzhou Women and Children’s Medical Center,Division of Birth Cohort Study
[2] Guangzhou Medical University,Department of Women’s Health, Guangdong Provincial Key Clinical Specialty of Woman and Child Health
[3] Guangzhou Women and Children’s Medical Center,Guangdong Provincial Clinical Research Center for Child Health
[4] Guangzhou Medical University,Institute for Global Health & Infectious Diseases
[5] Guangzhou Women and Children’s Medical Center,Provincial Key Laboratory of Research in Structure Birth Defect Disease and Department of Pediatric Surgery
[6] Guangzhou Medical University,undefined
[7] University of North Carolina,undefined
[8] Faculty of Infectious and Tropical Diseases,undefined
[9] London School of Hygiene and Tropical Medicine,undefined
[10] Guangzhou Women and Children’s Medical Center,undefined
[11] Guangzhou Medical University,undefined