- Johns Hopkins School of Medicine, Baltimore*
- University of Texas Southwestern Medical Center, Dallas*
- Multiple Sclerosis Research Center of New York*
- Shepherd Center, Inc., Atlanta
- University of Massachusetts Medical School, Worcester*
- Barrow Neurological Institute, Phoenix (no longer recruiting)*
- Beth Israel Deaconess Medical Center, Boston
- Ohio State University Medical Center, Columbus
- Rocky Mountain MS Center at Anschutz Medical Campus, University of Colorado Denver
- Stanford University
*Includes pediatric collections
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Neuromyelitis
