Nanjing Medical University - State Key Laboratory of Reproductive Medicine, Nanjing Medical University - School of Public Health, Nanjing Medical University - State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Peking University, Shandong First Medical University - Shandong Provincial Hospital, Shanghai Jiao Tong University (SJTU), Sun Yat-sen University (SYSU), Reproductive & Genetic Hospital of Citic-Xiangya, Chinese Academy of Sciences (CAS) - Kunming Institute of Zoology, Nanjing Medical University - State Key Laboratory of Reproductive Medicine, Nanjing Medical University - State Key Laboratory of Reproductive Medicine, Nanjing Medical University - State Key Laboratory of Reproductive Medicine, Nanjing Medical University - Department of Epidemiology and Biostatistics, Nanjing Medical University - Department of Epidemiology, Nanjing Medical University - State Key Laboratory of Reproductive Medicine, Nanjing Medical University - State Key Laboratory of Reproductive Medicine, Nanjing Medical University - State Key Laboratory of Reproductive Medicine, Nanjing Medical University - Department of Epidemiology and Biostatistics and Independent