1. Sismanoglio General Hospital, University of Athens, 2nd Department of Urology, Athens, Greece + Barts Health NHS Trust, Royal London Hospital, Department of Urology, London, UK
2. Sismanoglio General Hospital, University of Athens, 2nd Department of Urology, Athens, Greece + 2nd Department of General Surgery, University of Athens, Areteio Hospital, Athens, Greece
3. Sismanoglio General Hospital, University of Athens, 2nd Department of Urology, Athens, Greece
4. Department of Urology, King’s College Hospital NHS Foundation Trust, London, UK