1. Department of Neurology, Duke University, Durham, NC, USA
2. Department of Neurology, Medical College of Wisconsin, Milwaukee, WI, USA
3. Department of Neurology, Augusta University Medical Center, Augusta, GA, USA
4. Department of Chemistry, North Carolina State University, Raleigh, NC, USA
5. Department of Neurology, Methodist University Hospital, Memphis, TN, USA
6. Department of Neurology, St Lukes Rehabilitation Hospital, Chesterfield, MO, USA
7. Department of Neurology, Washington University in St Louis School of Medicine, St Louis, MO, USA
8. University of North Carolina at Greensboro, Lloyd International Honors College, Greensboro, NC, USA
9. Department of Neurology, Barrow Neurological Institute, Phoenix, AZ, USA
10. Department of Neurology, University of Texas Health Science Center, Houston, TX, USA
11. Department of Neuroscience, University of Sheffield, Sheffield, UK
12. Department of Neurology, Nebraska Medicine, Omaha, NE, USA
13. Department of Neurology, McGill Centre for Research in Neuroscience, Montreal, QC, Canada
14. Independent Consultant, United Kingdom