1. Research Department of Infection and Population Health, Institute of Epidemiology and Health Care, Institute of Neurology, University College London, London, United Kingdom.
2. Department of Genitourinary Medicine, Central and North West London NHS Foundation Trust, London, United Kingdom.
3. Department of Imaging, University College London Hospitals NHS Foundation Trust, London, United Kingdom.
4. Department of Neuroradiology, National Hospital for Neurology and Neurosurgery, London, United Kingdom.
5. Department of Infection, University College London Hospitals NHS Foundation Trust, London, United Kingdom.
6. Department of Neurodegenerative Disease, Institute of Neurology, University College London, London, United Kingdom.
7. Research Department of Brain Repair and Rehabilitation, Institute of Neurology, University College London, London, United Kingdom.