Stacy Loeb1, Thorsten Schlomm2, Pär Stattin3. 1. Department of Urology, Population Health, and Laura & Isaac Perlmutter Cancer Center, New York University, New York, NY, USA. Electronic address: stacyloeb@gmail.com. 2. Martini-Clinic Prostate Cancer Center, University Medical Center Hamburg-Eppendorf, Hamburg, Germany. 3. Department of Surgery and Perioperative Sciences, Urology and Andrology, Umeå University Hospital, Umeå, Sweden.