1. Department of Urology, Ioannina University School of Medicine, Ioannina, Greece
2. 1st Department of Urology, Aristotle University of Thessaloniki School of Medicine, Thessaloniki, Greece
3. Department of Urology, University of Heidelberg, SLK Kliniken, Heilbronn, Germany
4. Department of Urology, Hatzikosta General Hospital, Ioannina, Greece
5. Department of Urology, Tottori University Faculty of Medicine, Yonago, Tottori, Japan
6. Ygeia Medical Center, Manila, Philippines
7. Department of Obstetrics and Gynecology, Ioannina University School of Medicine, Ioannina, Greece
8. Mediterranean Fertility Center, Chania, Greece
9. East Avenue Medical Center, Diliman, Quezon City, Philippines
10. Department of Urology, University of Crete Medical School, Heraklion, Crete, Greece