1. Department of Endocrinology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
2. Translation Medicine Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
3. The Reproductive Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
4. Department of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
5. Department of Gynaecology and Obstetrics, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
6. Department of Radiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
7. Laboratory Animal Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
8. University of New South Wales, Sydney, High St. Kensington, NSW, Australia
9. Department of Pathology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China