[1] Univ Hosp Ghent, Dept Sexol & Gender Problems, Pintelaan 185, B-9000 Ghent, Belgium
[2] Univ Hosp Ghent, Dept Med Informat & Stat, Ghent, Belgium
[3] Univ Hosp Ghent, Dept Plast Surg, Ghent, Belgium
[4] Univ Hosp Ghent, Dept Endocrinol, Ghent, Belgium
[5] Univ Hosp Ghent, Dept Urol, Ghent, Belgium