1. Department of Urology; University Hospital Leipzig; Leipzig Germany
2. Martini Hospital, UKE GmbH; Hamburg Germany
3. Malaga Institute of Urology; Malaga Spain
4. Department of Urological Sciences; University of British Columbia; Victoria BC Canada
5. Lilly Deutschland GmbH; Bad Homburg Germany
6. Department of Urology and Paediatric Urology; Magdeburg University Medical Centre; Magdeburg Germany