Roenneburg M L1, Genadry R2, Wheeless, Jr. C R2 1. Mercy Medical Center, Johns Hopkins University School of Medicine, 2. Johns Hopkins University School of Medicine

Porena M1, Kocjancic E2, Costantini E1, Cecchetti G1, Bini V3, Crivellaro S2, Frea B2 1. Urology Department - University of Perugia, 2. Urology Department - University of Piemonte Orientale, 3. Department of "Specialità Medico-Chirurgiche e Sanità Pubblica" - University of Perugia

Valpas A1, Rissanen P2, Kujansuu E3, Nilsson C4 1. Central-Ostrobothnian Central Hospital, Kokkola, Finland, 2. Department of Health Economics, University of Tampere,Tampere, Finland, 3. Department of Obstetrics and Gynecology, Tampere University Hospital, Tampere, Finland, 4. Department of Obstetrics and Gynecology, Helsinki University Central Hospital, Helsinki, Finland

Schraffordt S1, Bisseling T2, Heintz P3, van Brummen J3, Vervest H 2 1. Meander Medical Center, 2. St Elisabeth Ziekenhuis Tilburg, 3. University Medical Center Utrecht

Smith A1, Kitchener H2, Dunne G3, Torgerson D4, Lawton V5, Reid F5, Ali N5 1. The Warrell Unit, St Mary's Hospital, Manchester, UK, 2. Manchester University Dept O & G, St Mary's Hospital, Manchester, UK , 3. University of Manchester, UK, 4. University of York, UK, 5. St Mary's Hospital, Manchester, UK

Hamilton Boyles S1, Gregory W T1, Clark A1, Edwards S R1 1. Oregon Heath & Science University