1. Department of Obstetrics and Gynecology; Chang Gung Memorial Hospital, Keelung, Medical Center; Keelung Taiwan
2. Department of Obstetrics and Gynecology; Chang Gung Memorial Hospital, Taipei, Medical Center; Taipei Taiwan
3. Division of Urogynecology, Department of Obstetrics and Gynecology; Chang Gung Memorial Hospital; Taoyuan Taiwan
4. School of Medicine; Chang Gung University; Taoyuan Taiwan
5. Urogynaecology Unit, Department of Obstetrics and Gynaecology, Penang Hospital; Penang Malaysia
6. Department of Obstetrics and Gynecology; Hospital Tuanku Jaafar; Negeri Sembilan Malaysia
7. Department of Obstetrics and Gynecology; Dr Pablo O. Torre Memorial Hospital; Bacolod Philippines