1. Department of Breast Surgery The First Affiliated Hospital, Nanjing Medical University Nanjing China
2. Department of Oncology The First Affiliated Hospital, Nanjing Medical University Nanjing China
3. Medical Research Center, Nanjing Maternal and Child Health Medical Institute, Obstetrics and Gynecology Hospital Affiliated to Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital Nanjing China
4. Obstetrics and Gynecology Department Northwestern University Chicago Illinois