1. Department of Urology University of Bern, Inselspital Bern Switzerland
2. Department of Urology Charité – Universitaetsmedizin Berlin Berlin Germany
3. School of Public Health and Preventive Medicine Monash University Melbourne Victoria Australia
4. Department of Surgery (Urology Service) Memorial Sloan Kettering Cancer Center New York NY USA
5. Department of Epidemiology and Biostatistics Memorial Sloan Kettering Cancer Center New York NY USA
6. Department of Urology Sahlgrenska Academy at Gothenburg University Gothenburg Sweden