1. Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
2. Research Center for Evidence Based Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
3. Institute for Urology and Reproductive Health, I.M. Sechenov First Moscow State Medical University, Moscow, Russia
4. Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX, USA
5. Department of Urology, Second Faculty of Medicine, Charles University, Prague, Czech Republic
6. Department of Urology, Weill Cornell Medical College, New York, NY, USA
7. Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
8. Department of Urology, Medical University of Hamburg, Hamburg, Germany
9. Department of Urology, The Jikei University School of Medicine, Tokyo, Japan
10. King Fahad Specialist Hospital-Dammam, Saudi Arabia