1. Department of Urology, Erasme Hospital, University Clinics of Brussels, Route de Lennik 808, 1070 Brussels, Belgium Department of Urology, CHU St Pierre, Université Libre de Bruxelles, Brussels, Belgium
2. Department of Vascular Diseases, University Clinics of Brussels, Erasme Hospital, Université Libre de Bruxelles, Brussels, Belgium
3. Department of Urology, CHU Saint Pierre, Université Libre de Bruxelles, Brussels, Belgium
4. Department of Urology, University Clinics of Brussels, Erasme Hospital, Université Libre de Bruxelles, Brussels, Belgium