1. Division of Epidemiology, School of Public Health, University of California, Berkeley, CA, USA/Center for Computational Biology, College of Engineering, University of California, Berkeley, CA, USA
2. Division of Epidemiology, School of Public Health, University of California, Berkeley, CA, USA
3. Division of Epidemiology, School of Public Health, University of California, Berkeley, CA, USA/Department of Human Genetics, University of Utah, Salt Lake City, UT, USA
4. Department of Neurosciences, School of Medicine, University of California, San Diego, CA, USA/Department of Neurology, University of California, San Francisco, CA, USA
5. Pediatric MS Center, Loma Linda University Children’s Hospital, San Bernardino, CA, USA
6. Department of Neurology, University of Texas Southwestern, Dallas, TX, USA
7. Pediatric-Onset Demyelinating Diseases and Autoimmune Encephalitis Center, St. Louis Children’s Hospital, Washington University School of Medicine, St. Louis, MO, USA
8. Alabama Center for Pediatric-Onset Demyelinating Disease, Children’s Hospital of Alabama, Birmingham, AL, USA
9. Pediatric Multiple Sclerosis Center, Jacobs Neurological Institute, SUNY Buffalo, NY, USA
10. Division of Neurology, Children’s Hospital of Philadelphia, Philadelphia, PA, USA
11. Children’s Hospital Colorado, University of Colorado, Denver, CO, USA
12. Mayo Clinic’s Pediatric Multiple Sclerosis Center, Rochester, MN, USA
13. Partners Pediatric Multiple Sclerosis Center, Massachusetts General Hospital for Children, Boston, MA, USA
14. Lourie Center for Pediatric Multiple Sclerosis, Stony Brook Children’s Hospital, Stony Brook, NY, USA
15. Department of Pediatrics, University of Utah School of Medicine, Salt Lake City, UT, USA
16. Mellen Center, Cleveland Clinic, Cleveland, OH, USA
17. Regional Pediatric MS Center, Neurology, University of California, San Francisco, CA, USA
18. Kaiser Permanente Division of Research, Oakland, CA, USA
19. Department of Neurology, University of California, San Francisco, CA, USA
20. Division of Epidemiology, School of Public Health, University of California, Berkeley, CA, USA/Center for Computational Biology, College of Engineering, University of California, Berkeley, CA, USA/Kaiser Permanente Division of Research, Oakland, CA, USA