National Hospital for Neurology & Neurosurgery, London, United Kingdom
Clinical Trials Group, London, United Kingdom
Cancer Research UK and University College London Cancer Trials Centre, Rhyl, Denbighshire, Wales, United Kingdom
Yorkshire Regional Clinical Trials & Research Unit, Leeds, England, United Kingdom
Christie Hospital, Manchester, England, United Kingdom
Sussex Cancer Centre at Royal Sussex County Hospital, Brighton, England, United Kingdom
Leeds General Infirmary, Leeds, England, United Kingdom
Cancer Research UK and University College London Cancer Trials Centre, London, England, United Kingdom
Royal Free London NHS Foundation Trust, Royal Free Hospital, Pond Street, London, United Kingdom
Christie Hospital, Manchester, England, United Kingdom
University College London Hospitals NHS Foundation Trust, London, United Kingdom
The Christie NHS Foundation Trust, Manchester, United Kingdom
University College London Hospitals, London, United Kingdom
St Bartholomew's Hospital, London, United Kingdom
St Thomas Hosptial, London, United Kingdom
Department of Primary Care and Population Health, London, England, United Kingdom
University College London, London, Greater London, United Kingdom
University College London Hospitals, London, United Kingdom