1. Department of Clinical Laboratory; Nantong Maternal and Child Health Care Hospital Affiliated to Nantong University; Nantong China
2. Department of Breast; Nanjing Maternal and Child Health Hospital; Obstetrics and Gynecology Hospital Affiliated to Nanjing Medical University; Nanjing China
3. Nanjing Maternal and Child Health Medical Institute; Obstetrics and Gynecology Hospital Affiliated to Nanjing Medical University; Nanjing China