1. Department of Obstetrics and Gynecology, Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
2. Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, Sichuan, China
3. Department of Obstetrics and Gynecology, Sichuan Provincial Maternity and Child Health Care Hospital, Chengdu, Sichuan, China