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Article History

Accepted: 3 October 2020

First Online: 20 October 2020

Compliance with ethical standards

:

: C.R. Houts, J.S. McGinley, and R.J. Wirth are employees of Vector Psychometric Group, a company that received funding from H. Lundbeck A/S for time spent conducting this research. J.S. McGinley has received payment from Cephalalgia as a biostatistics editor, as well as research grant support from Amgen and the National Headache Foundation. R. Cady is a full-time employee and stockholder of Lundbeck Seattle BioPharmaceuticals. R.B. Lipton has been a consultant, advisory board member, and/or has received honoraria from Lundbeck Seattle BioPharmaceuticals, Allergan, American Academy of Neurology, American Headache Society, Amgen, Biohaven Pharmaceuticals, BioVision, Boston Scientific, Dr. Reddy’s Laboratories, electroCore Medical, Eli Lilly, eNeura Therapeutics, GlaxoSmithKline, Merck, Pernix, Pfizer, Supernus, Teva Pharmaceuticals, Trigemina, Vector, and Vedanta. In addition, he has received compensation from eNeura and Biohaven Pharmaceuticals, has stock or stock options in Biohaven Pharmaceuticals, and has received research support from Amgen, Migraine Research Foundation, and National Headache Foundation.

: All procedures performed in the study used for this analysis were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

: Written informed consent was obtained from all individual participants prior to completing any measures or procedures in the study used for this analysis.