1. Department of Obstetrics and Gynecology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
2. Currently affiliated with the Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
3. Department of Orthopedics, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
4. Department of Obstetrics and Gynecology, Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
5. Department of Pharmacy, Zhujiang Hospital, Southern Medical University, Guangzhou, China
6. Department of Pathology, Zhujiang Hospital, Southern Medical University, Guangzhou, China