1. University of Colorado Denver, Aurora, Colorado
2. Cliniques Universitaires Saint Luc/Université Catholique de Louvain, Brussels, Belgium
3. Charité Universitätsmedizin Berlin, Berlin, Germany
4. Centre Hospitalier Universitaire Hôpital Bichat-Claude Bernard, Paris, France
5. Erasmus Medical Center, Rotterdam, The Netherlands
6. Carolina Urologic Research Center, Myrtle Beach, South Carolina
7. Duke University Medical Center, Durham, North Carolina
8. Ferring Pharmaceuticals, Copenhagen, Denmark
9. Saint-Prex, Switzerland