1. Department of Gynecology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
2. Academy of Medical Sciences, Zhengzhou University, Zhengzhou 450000, China
3. Department of Gynecology, Qingdao Hospital, University of Health and Rehabilitation Sciences (Qingdao Municipal Hospital), Qingdao, Shandong 266000, China
4. Department of Gynecology, The University of Auckland, Grafton, Auckland 1023, New Zealand
5. Department of Gynecology, Hainan Affiliated Hospital of Hainan Medical University (Hainan General Hospital), Haikou 570311, China