1. Department of Urology; Pediatric Urology and Andrology; Justus Liebig University; Giessen Germany
2. Urology Practice; Marburg Germany
3. Department of Anatomy and Cell Biology; Justus Liebig University; Giessen Germany
4. Institute of Medical Microbiology; Justus Liebig University; Giessen Germany
5. Institute of Veterinary Anatomy; Histology and Embryology; Justus Liebig University; Giessen Germany