| Affiliation: | 1. Institute for Medical Informatics, Biometry and Epidemiology, Medical Faculty of the University of Duisburg-Essen, Essen, Germany;2. Jefferson Headache Center, Thomas Jefferson University Hospitals, Philadelphia, PA, USA;3. Department of Neurology, Geisel School of Medicine at Dartmouth, Hanover, NH, USA;4. Department of Neurology and Neurological Sciences, Stanford University Headache and Facial Pain Program, Palo Alto, CA, USA;5. Department of Neurology, Mayo Clinic, Scottsdale, AZ, USA;6. Diamond Headache Clinic, Chicago, IL, USA;7. Pacific Northwest Statistical Consulting, Inc., Woodinville, WA, USA;8. Lundbeck Seattle BioPharmaceuticals, Inc., Bothell, WA, USA;9. H. Lundbeck A/S, Copenhagen, Denmark |
