1. Department of Neurology and Biomedical Engineering Mayo Clinic Phoenix Arizona USA
2. Department of Neurology and Department of Anesthesia, Critical Care and Pain Medicine Harvard Medical School, Beth Israel Deaconess Medical Center Boston Massachusetts USA
3. Department of Clinical Medicine, Faculty of Health Sciences University of Copenhagen Copenhagen Denmark
4. Goldberg Migraine Program, Department of Neurology UCLA Los Angeles California USA
5. Steve Tisch BrainSPORT Program, Department of Neurosurgery UCLA Los Angeles California USA
6. Uniformed Services University Bethesda Maryland USA
7. Departments of Neurology and Pediatrics, Children's Hospital of Philadelphia Perelman School of Medicine, University of Pennsylvania Philadelphia Pennsylvania USA
8. The Carolina Headache Foundation, Department of Psychiatry, Anesethia and Dentistry University of North Carolina at Chapel Hill Durham North Carolina USA
9. National Institute of Neurological Disorders and Stroke Bethesda Maryland USA
10. Department of Neurology Mayo Clinic Phoenix Arizona USA