1. Department of Urology, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Plac Medyków 1, 41-200 Sosnowiec, Poland
2. Department of Emergency Medicine, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Francuska 20, 40-027 Katowice, Poland
3. Department of Cardiac, Vascular and Endovascular Surgery and Transplantology, Medical University of Silesia in Katowice, Silesian Centre for Heart Diseases, Curie-Skłodowskiej 9, 41-800 Zabrze, Poland
4. Department of Urology, Voivodeship Specialised Hospital No. 3, Energetyków 46, 44-200 Rybnik, Poland
5. Department of Ophthalmology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, Panewnicka 65, 40-760 Katowice, Poland
6. Department of Urology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 3 Maja 13/15, 41-800 Zabrze, Poland
7. Department of Urology, Medical University of Vienna, Währinger Gürtel 18-20, 1090 Vienna, Austria
8. Beskidzkie Centrum Medyczne, Młodzieżowa 21, 43-309 Bielsko-Biała, Poland