1 Department of Uro-oncology, University College London Hospital, London, UK; Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK. Electronic address: prasanna.sooriakumaran@nds.ox.ac.uk.
2 Department of Uro-oncology, University College London Hospital, London, UK; Urology Clinic, Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy.
3 Department of Molecular Medicine and Surgery, Karolinska Institute, Stockholm, Sweden; Department of Urology, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
4 Departments of Radiation Oncology & Urology, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA, USA.