1. Department of Neurology Mayo Clinic Scottsdale AZ USA
2. Department of Neurology and Center for Multiple Sclerosis and Autoimmune Neurology Mayo Clinic Rochester MN USA
3. Department of Radiology Mayo Clinic Rochester MN USA
4. Department of Ophthalmology Mayo Clinic Rochester MN USA
5. Department of Neurology University of Florida Gainesville FL USA
6. Brooke Army Medical Center San Antonio TX USA
7. Department of Neurology Mayo Clinic Jacksonville FL USA
8. Department of Neurology Western University London Ontario Canada
9. Department of Neurology University of Sassari Sassari Italy
10. Department of Neurology Cleveland Clinic Cleveland OH USA
11. Department of Laboratory Medicine and Pathology Mayo Clinic Rochester MN USA