1. Head of Urology Department, Zahraa Hospital, University Medical Center, Lebanese University, Beirut, Lebanon
2. 2nd Department of Urology, School of Medicine, Sismanoglio Hospital, National and Kapodistrian University of Athens, Athens, Greece
3. Department of Surgery, School of Medicine, Aretaieion Hospital, National and Kapodistrian University of Athens, Athens, Greece
4. Faculty of Medical Sciences, Department of Urology, Lebanese University, Beirut,Lebanon
5. Head of Oncology Department, Zahraa Hospital, University Medical Center, Lebanese University, Beirut, Lebanon