1. Department of Obstetrics/Gynecology, Taipei City Hospital, Taipei, Taiwan
2. Department of Education and Research, Taipei City Hospital, Taipei, Taiwan
3. School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei, Taiwan
4. Department of Pathology, Taipei City Hospital, Taipei, Taiwan
5. Division of Endocrinology and Metabolism, Department of Internal Medicine, Taipei City Hospital, Ren-Ai branch, Taipei, Taiwan