1. 2nd Department of Urology, Sismanoglio General Hospital, National and Kapodistrian University of Athens, Athens, Greece.
2. 1st Department of Surgical Oncology, St. Savvas Cancer Hospital, Athens, Greece.
3. Department of Urology, School of Medicine, Acibadem Maslak Hospital, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey.