1. Oxford Autoimmune Neurology Group; Nuffield Department of Clinical Neurosciences; University of Oxford; John Radcliffe Hospital; Oxford United Kingdom
2. Nuffield Department of Surgical Sciences; University of Oxford; John Radcliffe Hospital; Oxford United Kingdom
3. Neuroradiology Department; Oxford University Hospitals; Oxford United Kingdom
4. Department of Clinical Haematology; Churchill Hospital; Oxford United Kingdom
5. Department of Clinical Oncology; University Hospitals Birmingham; Birmingham United Kingdom
6. Department of Neurology; Queen's Medical Centre; Nottingham United Kingdom
7. Centre for Rare Diseases and Queen Elizabeth Neuroscience Centre; University Hospitals Birmingham; Birmingham United Kingdom