1. Zhejiang Provincial Key Laboratory of Pathophysiology, Diabetes Research Center, Medical School of Ningbo University, Ningbo, Zhejiang, China
2. Department of Medical Services, The Affiliated Hospital of Medical School of Ningbo University, Ningbo, Zhejiang, China
3. Department of Gynaecology and Obstetrics, Ningbo Medical Center Lihuili Hospital, Medical School of Ningbo University, Ningbo, Zhejiang, China