1. Huntsman Cancer Institute and Division of Urology, The University of Utah, Salt Lake City, UT, USA
2. Department of Urology, University of Iowa Hospitals & Clinics, University of Iowa, Iowa City, IA, USA
3. Department of Urology, Central Hospital of Bolzano, Bolzano, Italy
4. Division of Epidemiology, Department of Internal Medicine, The University of Utah, Salt Lake City, UT, USA
5. Sigmund Freud University Medical School, Vienna, Austria
6. Department of Research, College of Health Care Professions Claudiana, Bolzano, Italya