1. Department of Neurological Sciences, Larner College of Medicine, The University of Vermont, Burlington, VT, USA
2. The University of Vermont Medical Center, Burlington, VT, USA
3. Penn Statistics in Imaging and Visualization Center (PennSIVE), Department of Biostatistics, Epidemiology and Informatics and Center for Biomedical Image Computing and Analytics, Department of Radiology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
4. Department of Neurology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
5. Departments of Neurology and Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA
6. UCSF Weill Institute for Neurosciences, Department of Neurology, University of California, San Francisco, San Francisco, CA, USA
7. Dell Medical School, The University of Texas at Austin, Austin, TX, USA
8. Department of Neurology, Yale University, New Haven, CT, USA
9. Division of Neurology, Department of Medicine, St. Michael’s Hospital, University of Toronto, Toronto, ON, Canada
10. Department of Neurology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
11. Department of Neurology, Cedars-Sinai Medical Center, Los Angeles, CA, USA
12. Translational Neuroradiology Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
13. Mellen Center for Multiple Sclerosis, Cleveland Clinic, Cleveland, OH, USA