Received: 7 October 2019
Revised: 16 January 2020
Accepted: 20 January 2020
First Online: 12 February 2020
Compliance with ethical standards
: MJC is funded by the Wellcome Trust and University College London Hospital (UCLH) Charity. MAG: None. HUA's research is supported by core funding from the United Kingdom’s National Institute of Health Research (NIHR) Imperial Biomedical Research Centre. HUA currently receives funding from the Wellcome Trust, Medical Research Council (UK), Prostate Cancer UK, Cancer Research UK, The BMA Foundation, The Urology Foundation, The Imperial Health Charity, University College London Hospital (UCLH) Charity Sonacare Inc., Trod Medical and Sophiris Biocorp for trials and studies in prostate cancer. HUA is a paid medical consultant for Sophiris Biocorp, Sonacare Inc. and BTG/Galil. HUA is a paid proctor for HIFU, cryotherapy and Rezum water vapor therapy. RN: None.