1. Department of Urology, Technische Universitat Munchen, Munich, Germany
2. Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
3. Fundatio Puigvert, Barcelona, Spain
4. Middlesex Hospital, London, United Kingdom
5. Aalborg Sygehus, Aalborg, Denmark
6. University Medical Center Utrecht, Utrecht, The Netherlands
7. McGill University, Montreal, Quebec, Canada
8. Institut Mutualiste Montsouris, Paris, France