1. Department of Neurology, The Walton Centre NHS Foundation Trust, Liverpool, England
2. University of Liverpool School of Medicine, Liverpool, England
3. Magnetic Resonance and Image Analysis Research Centre, University of Liverpool, Liverpool, England
4. Institute of Infection and Global Health, University of Liverpool, The Walton Centre NHS Foundation Trust, Liverpool, England
5. Autoimmune Neurology Diagnostic Laboratory, Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, Oxford, England
6. Department of Neurology, Alder Hey Children’s Hospital, Liverpool, England
7. Department of Neurology, Royal Victoria Infirmary, Newcastle, Newcastle upon Tyne, England