[1] Epsom & St Helier Univ Hosp NHS Trust, Dept Obstet & Gynaecol, Urogynaecol, London, England
[2] St Georges Univ London, Dept Obstet & Gynaecol, London, England
[3] Amer Univ Caribbean, Sch Med, Pembroke Pines, FL USA
[4] Tanta Univ Hosp, Dept Urol, Tanta, Egypt
[5] Univ Sao Paulo, Div Hosp Clin, Urognecol, Fac Med, Sao Paulo, SP, Brazil
[6] Univ Hosp Zurich, Dept Gynecol, Zurich, Switzerland
[7] Univ Buenos Aires, Fac Med, Buenos Aires, DF, Argentina
[8] Hosp Sao Lucas, Dept Obstet & Gynecol, Porto Alegre, RS, Brazil
[9] Univ Miami, Miller Sch Med, Dept Obstet & Gynecol, Miami, FL 33136 USA
[10] Univ Roma La Sapienza, Emergency Surg Dept, Policlin Umberto I, Rome, Italy
[11] Carol Davila Univ Med & Pharm, Filantropia Clin Hosp, Dept Obstet & Gynaecol, Bucharest, Romania
[12] Univ Cattolica Sacro Cuore, Dept Obstet & Gynecol, Rome, Italy
[13] San Bartolo Hosp, Dept Obstet & Gynecol, Vicenza, Italy