1. Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China
2. Tianjin Women and Children’s Health Center, Tianjin, China
3. Tianjin Hedong Women and Children’s Health Center, Tianjin, China
4. Tianjin Hebei Women and Children’s Health and Family Planning Center, Tianjin, China
5. Tianjin Hexi Women and Children’s Health and Family Planning Center, Tianjin, China
6. Tianjin Hongqiao Women and Children’s Health and Family Planning Center, Tianjin, China
7. Research Center of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
8. Department of Medicine and Therapeutics, Hong Kong Institute of Diabetes and Obesity and The Chinese University of Hong Kong-Prince of Wales Hospital-International Diabetes Federation Centre of Education, Hong Kong SAR, China