1. Department of Reproduction Health and Infertility, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China (mainland)
2. China-Canada-New Zealand Joint Laboratory of Maternal and Fetal Medicine, Chongqing Medical University, Chongqing, China (mainland)
3. Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China (mainland)
4. Division of Medical Statistics, School of Public Health and Management, Chongqing Medical University, Chongqing, China (mainland)