1. Department of Urology; Nurse College, Eskisehir Osmangazi University; Eskisehir Turkey
2. Department of Urology; Eskisehir State Hospital; Eskisehir Turkey
3. Department of Urology; Medical Faculty, Eskisehir Osmangazi University; Eskisehir Turkey
4. Department of Biostatistics; Kocaeli University; Kocaeli Turkey