1. Department of Neurology; Mayo Clinic; Rochester MN
2. Department of Neurology; Fort-de-France University Hospital Center, Pierre Zobda Quitman Hospital; Fort-de-France Martinique France
3. Department of Epidemiology; Mayo Clinic; Rochester MN
4. Department of Biostatistics; Mayo Clinic; Rochester MN
5. Department of Laboratory Medicine and Pathology; Mayo Clinic; Rochester MN
6. Department of Immunology; Mayo Clinic; Rochester MN
7. Department of Neurology; Massachusetts General Hospital and Brigham and Women's Hospital; Boston MA
8. Bakirkoy Prof Mazhar Osman Training and Research Hospital; Istanbul Turkey
9. Department of Neurology; Mayo Clinic; Scottsdale AZ
10. Neurology Research; Mayo Clinic; Rochester MN
11. Olmsted Medical Center; Rochester MN