1. The First Affiliated Hospital of Nanjing Medical University/ Jiangsu Province Hospital/ Jiangsu Women and Children Health Hospital
2. The First Affiliated Hospital of Nanjing Medical University/Jiangsu Province Hospital
3. State Key Laboratory of Reproductive Medicine, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Nanjing Medical University/Jiangsu Province Hospital
4. Nanjing Medical University