Warli S.M., Department of Urology, Faculty of Medicine, Universitas Sumatera Utara Hospital, Universitas Sumatra Utara, Medan, Indonesia, Division of Urology, Department of Surgery, Faculty of Medicine, Universitas Sumatera Utara, Haji Adam Malik General Hospital, Medan, Indonesia; Tala M.R.Z., Division of Urogynaecology, Department of Obstetrics and Gynaecology, Faculty of Medicine, Universitas Sumatera Utara, Medan, Indonesia; Wijaya W.S., Department of Urology, Faculty of Medicine, Universitas Indonesia, Haji Adam Malik General Hospital, Medan, Indonesia