1. Department of Neurology Albert Einstein College of Medicine Bronx New York USA
2. NIHR‐Wellcome Trust King’s Clinical Research Facility King’s College Hospital London UK
3. Department of Neurology University of California Los Angeles California USA
4. Mayo Clinic Phoenix Arizona USA
5. Vector Psychometric Group, LLC Chapel Hill North Carolina USA
6. Lundbeck LLC Deerfield Illinois USA
7. H. Lundbeck A/S Copenhagen Denmark
8. RK Consults, LLC Ozark Missouri USA
9. Danish Headache Center Rigshospitalet Glostrup University of Copenhagen Copenhagen Denmark