1. Department of Pathology, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, China
2. Department of Radiology, Shenzhen People's Hospital, 2nd Clinical Medical College of Jinan University, 1st Affiliated Hospital of Southern University of Science and Technology, P.R. China, ShenZhen, China
3. Department of Radiology, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, China