University of Giessen - Clinic for Urology, Pediatric Urology and Andrology, Santa Chiara Hospital - Department of Urology, University of Pisa - Department of Urology, alta uro AG - Department of Urology, François Rabelais University - Urologie, South-Pest Teaching Hospital - Department of Urology, Novosibirsk Research TB Institute - Urogenital Department, University Hospital 12 de Octubre - Department of Urology, Technische Universität München (TUM) - School of Medicine, Ministry of Health of the Russian Federation - N.A. Lopatkin Scientific Research Institute of Urology and Interventional Radiology, University of Giessen - Clinic for Urology, Pediatric Urology and Andrology, University College London - Department of Urology, University of Oslo - Institute of Clinical Medicine and University of Giessen - Clinic for Urology, Pediatric Urology and Andrology