1. Department of Histology and Embryology
2. Guilin Medical University
3. Guilin
4. China
5. Department of Obstetrics and Gynecology
6. Third Affiliated Hospital of Xinxiang Medical College
7. Xinxiang
8. School of Basic Medical Sciences
9. Department of Emergency
10. First Affiliated Hospital of Guangxi Medical University
11. Nanning
12. Department of Urology
13. First Affiliated Hospital of Guilin Medical University