1. Division of Neurology Cincinnati Children’s Hospital Medical Center Cincinnati OH USA
2. Department of Pediatrics University of Cincinnati College of Medicine Cincinnati OH USA
3. Department of Pediatric and Neurology McGill University Montréal Canada
4. Department of Neurosurgery McGill University Montréal Canada
5. Department of Clinical Neurosciences, Psychiatry, Pediatrics and Community Health Sciences Cumming School of Medicine University of Calgary Calgary Canada
6. Department of Pediatrics (Neurology) Northwestern University Feinberg School of Medicine Chicago IL USA
7. Neurology Department Southern California Permanente Medical Group, Kaiser Los Angeles CA USA
8. Division of Neurology Children’s Hospital of Philadelphia Philadelphia PA USA
9. Department of Neurology Perelman School of Medicine at the University of Pennsylvania Philadelphia PA USA
10. Department of Pediatrics Perelman School of Medicine at the University of Pennsylvania Philadelphia PA USA
11. Department of Neurology Charleston Area Medical Center Charleston WV USA
12. Department of Neuroscience and Spine St. Anthony Hospital—Centura Health Lakewood CO USA
13. University of Louisville Comprehensive Headache Program and University of Louisville Child Neurology Residency Program Louisville KY USA
14. Division of Neurology, NeuroDevelopmental Science Center Akron Children's Hospital Akron OH USA
15. Rochester NY USA
16. St. Paul MN USA
17. O’Fallon MO USA
18. Division Neurology Children's Hospital Colorado Aurora CO USA
19. Department of Neurology Mayo Clinic Rochester MN USA
20. Department of Neurology University of San Francisco San Francisco CA USA