Affiliation: | 1. Division of Birth Cohort Study, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China;2. Department of Woman and Child Health Care, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China;3. Nuffield Department of Population Health, University of Oxford, Oxford, UK;4. The Robinson Research Institute, School of Pediatrics and Reproductive Health, University of Adelaide, Adelaide, SA, Australia;5. Institute of Applied Health Research, University of Birmingham, Birmingham, UK;6. Li Ka Shing Faculty of Medicine, School of Public Health, The University of Hong Kong, Hong Kong SAR, China;7. Department of Neonatal Surgery, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, ChinaContributed equally;8. Department of Woman and Child Health Care, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, ChinaContributed equally |