1. Cleveland Clinic Mellen Center for Multiple Sclerosis Treatment and Research, Cleveland, OH 44195, USA
2. McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, Quebec H3A 2B4, Canada
3. Buffalo Neuroimaging Analysis Center, Department of Neurology, Jacobs School of Medicine and Biomedical Sciences at the University at Buffalo, The State University of New York, Buffalo, NY 14214, USA
4. Department of Neurology, Weill Cornell Medicine, New York, NY 10021, USA
5. Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Boston, MA 02129, USA
6. Department of Radiology, Harvard Medical School, Boston, MA 02129, USA
7. Department of Neurology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
8. Department of Neurology, Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA 94143, USA
9. The UC San Francisco and Berkeley Bioengineering Graduate Group, University of California San Francisco, San Francisco, CA 94143, USA
10. Department of Radiology and Medicine (Neurology), University of British Columbia, Vancouver, British Columbia V6T 2B5, Canada
11. Department of Pathology and Laboratory Medicine, and International Collaboration on Repair Discoveries (ICORD), University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
12. Division of Neurology, St. Michael’s Hospital, University of Toronto, Toronto, Ontario M5B 1W8, Canada
13. Cerebral Imaging Centre, Douglas Mental Health University Institute, Verdun, Quebec H4H 1R3, Canada
14. Department of Biological and Biomedical Engineering, McGill University, Montreal, Quebec H3A 2B4, Canada
15. Department of Neurology, University of Southern California Keck School of Medicine, Los Angeles, CA 90033, USA
16. Physics and Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
17. Advanced Imaging Research Center, Oregon Health and Science University, Portland, OR 97239, USA
18. Department of Neurology, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
19. Biomedical Engineering, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
20. Translational Neuroradiology Section, National Institute of Neurological Disorders and Stroke, Bethesda, MD 20824, USA