Hagen S¹, Stark D², Glazener C³, Sinclair L⁴, Wilson D⁵, Norrie J⁶, Dickson S¹, McPherson G³, Logan J¹, Frawley H⁷, Moore K⁸, Walker A⁶
1. NMAHP Research Unit, Glasgow, 2. Leicester Royal Infirmary, 3. Health Services Research Unit, Aberdeen, 4. NHS Ayrshire and Arran, 5. Dunedin School of Medicine, University of Otago, 6. University of Glasgow, 7. University of Melbourne, 8. St George Hospital, University of New South Wales

Dumoulin C¹, Sran M², Lieblich P², Wilson P²
1. University of Montreal, 2. BC Women's Hospital & Health Centre

Pantazis K¹, Freeman R¹, Thomson A², Frappell J¹, Bombieri L¹, Moran P², Scott P¹, Slack M³, Waterfield M⁴
1. Plymouth Hospitals NHS Trust, 2. Worcestershire Acute Hospitals NHS Trust, 3. Cambridge University Hospitals NHS Foundation Trust, 4. Peninsula Medical School

Sinha S¹, Bhargava V², Mittal R²
1. Dept of Radiology, University of California at San Diego, 2. Dept of Radiology, University of California at San Diego and San Diego VA Health Care Center

Botelho S¹, Pereira L², Marques J², Lanza A H², Palma P², Herrmann V², Riccetto C²
1. Federal University of Alfenas - UNIFAL/MG - Brazil and State University of Campinas - UNICAMP - SP/Brazil, 2. Unicamp- Sp

Voorham - van der Zalm P¹, Voorham J², van den Bos T³, de Ruiter M⁴, Ouwerkerk T², Putter H⁵, Wasser M⁶, Webb A⁷, Pelger R³
1. Leiden University Medical Center, Dep.Of Urology, 2. Leiden University Medical Center, Dep.of Urology, 3. Leiden University Medical Center, Dep. of Urology, 4. Leiden University Medical Center, Dep. of Anatomy, 5. Leiden University Medical Center, Dep.Of Medical Statistics, 6. Leiden University Medical Center, Dep. Of Radiology, 7. Leiden University Medical Center, Dep. of Radiology