1. Department of Urology, Ankara City Hospital, Ankara, Turkey
2. First Department of Urology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
3. Department of Urology, Medistyle Hospital, Baku, Azerbaijan
4. Department of Urology and Andrology, Danube Private University, Krems, Austria
5. Department of Urology, Medius Kliniken Ruit, Ostfildern, Germany