1. University of California San Francisco, San Francisco, CA, USA/Department of Pathology & Laboratory Medicine, University of California, Irvine Medical Center (UCIMC), Orange, CA, USA
2. Division of Epidemiology and Genetic Epidemiology and Genomics Laboratory, School of Public Health, University of California, Berkeley, Berkeley, CA, USA
3. The University of Utah, Salt Lake City, UT, USA
4. Buffalo General Hospital, State University of New York at Buffalo, Buffalo, NY, USA
5. Loma Linda University Children’s Hospital, Loma Linda, CA, USA
6. The University of Alabama at Birmingham, Birmingham, AL, USA
7. University of California San Diego, San Diego, CA, USA
8. Pediatric Multiple Sclerosis and Related Disorders Program, Boston Children’s Hospital, Boston, MA, USA
9. Cleveland Clinic, Cleveland, OH, USA
10. Washington University in St. Louis, St. Louis, MO, USA
11. Texas Children’s Hospital, Houston, TX, USA
12. The University of Texas Southwestern Medical Center, Dallas, TX, USA
13. Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
14. Division of Child Neurology, The Children’s Hospital of Philadelphia, Philadelphia, PA, USA
15. New York University Medical Center, New York, NY, USA
16. Oklahoma Medical Research Foundation, The University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
17. University of California San Francisco, San Francisco, CA, USA