1. Bristol Urological Institute; Southmead Hospital; Bristol United Kingdom
2. Division of Geriatric Medicine; University of Pittsburgh; Pittsburgh USA
3. Department of Urology; Stanford University School of Medicine; Stanford USA
4. Department of Biomedical Engineering; Cleveland Clinic; Cleveland USA
5. Department of Medical Physics; Freeman Hospital; Newcastle upon Tyne United Kingdom
6. Department of Urology; Erasmus Medical Centre; Rotterdam The Netherlands
7. Department of Urology; University Medical Centre; Utrecht The Netherlands