1Centre of Dermatology and Andrology, Justus Liebig University, Gießen, Germany
2Department of Urology and Paediatric Urology, Justus Liebig University, Gießen, Germany
3Department of Obstetrics and Gynaecology, Justus Liebig University, Gießen, Germany
4Department of Dermatology and Allergology, Tech University, Munich, Germany
Urology Department, University Clinic, Essen, Germany