1. Department of Maternal, Child & Adolescent Health, School of Public Health, Anhui Medical University, Hefei 230032, China
2. Key Laboratory of Population Health Across Life Cycle, Ministry of Education of the People’s Republic of China, Anhui Medical University, Hefei 230032, China
3. NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Hefei 230032, China
4. Anhui Provincial Key Laboratory of Population Health and Aristogenics, Hefei 230032, China
5. Scientific Research Center in Preventive Medicine, School of Public Health, Anhui Medical University, Hefei 230032, China