1. Department of Urology, Municipal Hospital of Zurich, Zurich, Switzerland.
2. Department of Medicine, Division of Geriatric Medicine, University of Alberta, Edmonton, Alberta, Canada.
3. Cancer Institute of New Jersey, Robert Wood Johnson University Hospital, New Brunswick, New Jersey, USA.
4. Division of Urology, Department of Surgery, Duke University Medical Center, Durham, North Carolina, USA.
5. Department of Urology, Weil Cornell Medicine—New York Presbyterian Hospital, New York, New York, USA.
6. Division of Urology and Section of Urologic Oncology, Rutgers Robert Wood Johnson Medical School, Rutgers Cancer Institute of New Jersey, New Brunswick, New Jersey, USA.
7. Faculty of Health, Department of Humane Medicine, University of Witten/Herdecke, Witten, Germany.
8. Department of Urology, Evangelic Hospital of Witten, Witten, Germany.
9. Department of Medicine, Duke University School of Medicine, Durham, North Carolina, USA.
10. Division of Geriatric Medicine, Clinic Barmelweid, Barmelweid, Switzerland.
11. University Clinic for Acute Geriatrics City Hospital Waid, Zurich, Switzerland.