1. Department of Breast and Thyroid Surgery, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
2. Clinical Trial Unit, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
3. Department of Endocrinology, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
4. Department of Obstetrics and Gynecology, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
5. Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China