National Hospital for Neurology and Neurosurgery, London, United Kingdom
Clinical Epidemiology Group, Department of Epidemiology & Public Health, UCL, London, United Kingdom
University College London, London, United Kingdom
Epidemiology and Public Health, University College London, London, United Kingdom
University College London (UCL), London, United Kingdom
London School of Hygiene & Tropical Medicine, London, United Kingdom
Velindre Cancer Centre, Cardiff, United Kingdom
Henan Cancer Hospital/The affiliated Cancer Hospital, Zhengzhou, China
Policlinico Hospital, Catania, Italy
Whittington Hospital NHS Trust, London, United Kingdom
Guy's & St Thomas' NHS Foundation Trust, London, United Kingdom
Kings College Hospital, London, United Kingdom