1. Departments of Obstetrics and Gynecology (M.-J.C., Y.-S.Y., H.-N.H.), College of Medicine, National Taiwan University, 100 Taipei, Taiwan
2. National Taiwan University Hospital, and Graduate Institute of Clinical Medicine (M.-J.C., C.-L.C., W.-S.Y.), College of Medicine, National Taiwan University, 100 Taipei, Taiwan
3. Internal Medicine (H.-M.C., W.-S.Y.), College of Medicine, National Taiwan University, 100 Taipei, Taiwan