1. Institute of Biomedicine, Department of Infectious Diseases, University of Gothenburg, Gothenburg, Sweden
2. Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry, University of Gothenburg, Gothenburg, Sweden
3. Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Molndal, Sweden
4. Mathematical Sciences, Chalmers University of Technology, Gothenburg, Sweden
5. Department of Neurology, University of California San Francisco, San Francisco, California, USA
6. Department of Neurology, Academic Medical Center and Department of Global Health, Academic Medical Center, and Amsterdam Institute for Global Health and Development, Amsterdam, The Netherlands
7. Department of Neurology, Yale University, New Haven, Connecticut, USA
8. Division of Infectious Diseases, Imperial College London, London, UK
9. Department of Molecular Neuroscience, UCL Institute of Neurology, London, UK