Vanderbilt University, Nashville, Tennessee, United States
The Medical Group of Saint Joseph's, Atlanta, Georgia, United States
St. Michael's Hospital, Toronto, Ontario, Canada
Shepherd Center, Atlanta, Georgia, United States
University of Chicago, Chicago, Illinois, United States
Shepherd Center, Atlanta, Georgia, United States
University of Rochester, Rochester, New York, United States
University of British Columbia, Vancouver Coastal Health Research Institute, Vancouver, British Columbia, Canada
Advanced Neurology Specialists, Great Falls, Montana, United States
Ohio State University MS Center, Columbus, Ohio, United States
University of Texas-Houston, Houston, Texas, United States
Shepherd Center, Atlanta, Georgia, United States
Alta Bates Summit Medical Center - Research and Education Institute, Berkeley, California, United States
CAMC Health Education & Research Institute, Charleston, West Virginia, United States
Thomas Jefferson University Physicians, Philadelphia, Pennsylvania, United States
University of Washington, MS Research Center, Seattle, Washington, United States
Cleveland Clinical Foundation, Cleveland, Ohio, United States
USC MS Comprehensive Care Center, Los Angeles, California, United States
Shepherd Center, Atlanta, Georgia, United States
Ohio State University, Columbus, Ohio, United States
Advocate Christ Medical Center-Dept. of Physical Medicine & Rehabilitation-EMG, Oak Lawn, Illinois, United States
Montana Neuroscience, Missoula, Montana, United States
Clinical Research Services, Bismarck, North Dakota, United States