1. Department of Maternal and Child Health School of Public Health Sun Yat‐sen University Guangzhou China
2. Guangdong Key Laboratory of Nutrition Diet and Health Guangzhou China
3. Department of Scientific Research Hainan Women and Children's Medical Center Haikou China
4. Department of Maternal and Child Health School of Public Health Peking University Health Science Center Beijing China
5. Shenzhen Birth Cohort Study Center Nanshan Maternity and Child Healthcare Hospital of Shenzhen Shenzhen China
6. Department of Medical Statistics and Epidemiology School of Public Health Sun Yat‐sen University Guangzhou China