Affiliation: | (1) Nanjing Maternity and Child Health Hospital of Nanjing Medical University, Nanjing, 210029, China;(2) Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, 210029, China;(3) Department of Epidemiology and Biostatistics, Cancer Center of Nanjing Medical University, 140 Hanzhong Rd., Nanjing, 210029, China; |