1. Department of Obstetrics and Gynecology, Chang Gung Memorial HospitalKeelung Medical CenterKeelung, TaiwanPeople's Republic of China
2. Division of Urogynecology, Department of Obstetrics and Gynecology, Linkou, Chang Gung Memorial HospitalLinkou Medical CenterTaoyuan, TaiwanPeople's Republic of China
3. Department of Obstetrics and Gynaecology, Chang Gung Memorial HospitalXiamen Medical CenterXiamenPeople's Republic of China
4. Chang Gung UniversitySchool of MedicineTaoyuan, TaiwanPeople's Republic of China
5. Department of Obstetrics and GynaecologyPeoples Education Society Medical College and Research CentreKuppam, Andhra PradeshIndia
6. Fellow, Division of Urogynaecology, Department of Obstetrics and Gynaecology, Chang Gung Memorial HospitalLinkou Medical CenterTaoyuan, TaiwanPeople's Republic of China
7. Department of Obstetrics and GynecologyDr. Pablo O. Torre Memorial HospitalBacolod CityPhilippines