1. Laboratory Medicine and Pathology, Mayo Clinic College of Medicine, Rochester, Minnesota
2. Center for Multiple Sclerosis and Autoimmune Neurology, Department of Neurology, Mayo Clinic College of Medicine, Rochester, Minnesota
3. Department of Neurology, University of California, San Francisco (UCSF), San Francisco
4. Department of Neurology, Mayo Clinic, Jacksonville, Florida
5. Department of Neurology, University of Texas Southwestern Medical Center, Dallas
6. Autoimmune Neurology Group, West Wing, Level 3, John Radcliffe Hospital, University of Oxford, Oxford, United Kingdom
7. Movement Disorders Unit, Department of Neurology, Tel Aviv Sourazky Medical Center, Affiliate of Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
8. Washington University in St Louis, St Louis, Missouri
9. Department of Neurology, University of Utah, Salt Lake City
10. Larner College of Medicine at the University of Vermont, Burlington
11. Graduate School of Health Sciences, Mayo Clinic College of Medicine, Rochester, Minnesota