1. Department of Neurology, University of Pittsburgh, Pittsburgh, PA, USA
2. Department of Biomedical Informatics, University of Pittsburgh, PA, USA
3. Department of Neurology, University of Michigan, Ann Arbor, MI, USA
4. Department of Neurology, University of Wisconsin, Madison, WI, USA
5. Antiviral Pharmacology Laboratory, College of Pharmacy, University of Nebraska Medical Center, Omaha, NE, USA
6. Department of Family Medicine, University of Pittsburgh, Pittsburgh, PA, USA
7. National Clinician Consultation Center, University of California San Francisco, San Francisco, CA, USA
8. Department of Paediatric Neurology, Red Cross War Memorial Children’s Hospital, Neuroscience Institute, University of Cape Town, Cape Town, South Africa
9. Paediatric Infectious Diseases Unit, Red Cross War Memorial Children’s Hospital, Cape Town, South Africa
10. Department of Paediatrics and Child Health, University of Cape Town, Cape Town, South Africa
11. Institute for Drug Research, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
12. Department of Neurology, University of Texas Southwestern, Dallas, TX, USA
13. Department of Radiology, University of Texas Southwestern, Dallas, TX, USA