Affiliation: | 1. Department of Neurology, Jefferson Headache Center, Thomas Jefferson University, Philadelphia, Pennsylvania, USA;2. Institute for Medical Informatics, Biometry and Epidemiology, Medical Faculty, University of Duisburg-Essen, Essen, Germany;3. Department of Neurology and Neurological Sciences, Stanford University Headache and Facial Pain Program, Palo Alto, California, USA;4. Department of Neurology, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, USA;5. Diamond Headache Clinic, Chicago, Illinois, USA;6. Department of Neurology, Mayo Clinic, Phoenix, Arizona, USA;7. Pacific Northwest Statistical Consulting, Inc., Woodinville, Washington, USA;8. Lundbeck Seattle BioPharmaceuticals, Inc., Bothell, Washington, USA;9. H. Lundbeck A/S, Copenhagen, Denmark;10. Lundbeck La Jolla Research Center, San Diego, California, USA |