Affiliation: | 1. Department of Neurology, Mayo Clinic, Scottsdale, AZ, USA;2. Department of Neurology, Children’s Hospital of New Orleans, Louisiana State University Health Sciences Center, New Orleans, LA, USA;3. Brigham and Women’s Hospital Department of Neurology, Graham Headache Center, Harvard Medical School, Boston, MA, USA;4. Library Studies, University of California San Francisco, San Francisco, CA, USA;5. Headache Journal, Headache Editorial Office, Plymouth, MA, USA;6. Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA;7. Child & Adolescent Headache Program, Department of Neurology, University of California San Francisco, San Francisco, CA, USA |