1. Department of Pediatrics Duke University School of Medicine Durham North Carolina USA
2. School of Social Work University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
3. Fuqua School of Business Duke University Durham North Carolina USA
4. Duke Clinical Research Institute Duke University School of Medicine Durham North Carolina USA
5. Department of Population Health Sciences Duke University School of Medicine Durham North Carolina USA
6. Department of Neurology UCSF Child & Adolescent Headache Program San Francisco California USA
7. Department of Neurology Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania USA
8. Miles for Migraine Lafayette Hill Pennsylvania USA
9. Nemours Neurology Headache Program Alfred I. Dupont Hospital for Children Wilmington Delaware USA