The Department of Gastroenterology, Lincoln County Hospital, Lincoln, UK; The School of Medicine, University of Nottingham, UK. Electronic address: jervoiseandreyev@gmail.com. The Department of Medicine, The Royal Marsden NHS Foundation Trust, London & Sutton, UK. Division of Radiotherapy and Imaging, ICR, London, UK. ICR-CTSU, The Institute of Cancer Research, Sutton, UK. Specialist Pharmacist Clinical Trials, The Royal Marsden, London, UK. UCL Centre for Rheumatology & Connective Tissue Diseases, Royal Free Campus, London, UK. The Department of Gynaecological Oncology, The Royal Marsden NHS Foundation Trust, London & Sutton, UK. University of Arkansas for Medical Sciences, Division of Radiation Health, Little Rock, AR, USA.