1. Population Health Sciences, Bristol Medical School; University of Bristol; Bristol UK
2. Population Health Sciences Institute; Newcastle University; Newcastle upon Tyne UK
3. NIHR Applied Research Collaboration West (ARC West) ; University Hospitals Bristol and Weston NHS Foundation Trust; Bristol UK
4. Department of Neurodegenerative Disease; UCL Queen Square Institute of Neurology; London UK
5. Division of Neuropathology; The National Hospital for Neurology and Neurosurgery, University College London Hospitals NHS Foundation Trust; London UK
6. Bristol Genetics Laboratory, Pathology Sciences; Southmead Hospital; Bristol UK
7. Department of Oncology; Addenbrooke's Hospital; Cambridge UK
8. NIHR Bristol Biomedical Research Centre; University Hospitals Bristol and Weston NHS Foundation Trust; Bristol UK
9. Bristol Medical School: Brain Tumour Research Centre, Public Health Sciences; University of Bristol; Bristol UK