1. Department of Neurology, Mayo Clinic, Rochester, Minnesota
2. Center for Multiple Sclerosis and Autoimmune Neurology, Mayo Clinic, Rochester, Minnesota
3. Department of Laboratory Medicine, Mayo Clinic, Rochester, Minnesota
4. Department of Ophthalmology, Mayo Clinic, Rochester, Minnesota
5. Department of Neurology, Mayo Clinic, Scottsdale, Arizona
6. Department of Immunology, Mayo Clinic, Rochester, Minnesota