Declaration of conflicting interestsThe authors declared the following potential conflicts of interest with respect to the research, authorship, and/or publication of this article: P.J.G. reports, over the last 36 months, a grant from Kallyope, and personal fees for consulting from Aeon Biopharma, Abbvie, Aurene, CoolTech LLC, Dr Reddy's, Eli-Lilly and Company, Epalex, Linpharma, Lundbeck, Pfizer, PureTech Health LLC, Satsuma, Shiratronics, Teva Pharmaceuticals, Tremeau, and Vial, and personal fees for advice through Gerson Lehrman Group, Guidepoint, SAI Med Partners, Vector Metric, and fees for educational materials from CME Outfitters and WebMD, and publishing royalties or fees from Massachusetts Medical Society, Oxford University Press, UptoDate and Wolters Kluwer. S.E. None disclosed. A.A.G.: In the last 24 months, Dr Gelfand has received royalties from UpToDate (for authorship), and honoraria from Elsevier (for authorship), the American Academy of Neurology (for editing) and the Weill Cornell Neurology Department (for speaking). She receives a stipend from the American Headache Society for her role as Editor of Headache. She receives grant support from PCORI as a member of the Steering Committee for the REACH study and from the UCSF Resource Allocation Program as an investigator. R.B.L. None disclosed. A.M. reports no conflict of interest. In the past he has received personal fees from Novartis, Betapharm, TEVA and Ipsen for speaker activities or advisory boards. P.P.-R. has received, in the last 3 years, honoraria as a consultant and speaker from AbbVie, Amgen, Dr Reddy's, Eli Lilly, Lundbeck, Medscape, Novartis, Organon, Pfizer and Teva Pharmaceuticals. Her research group has received research grants from AbbVie, AGAUR, EraNet Neuron, FEDER RIS3CAT, Instituto Investigación Carlos III, MICINN, Novartis, and Teva Pharmaceuticals, and has received funding for clinical trials from AbbVie, Amgen, Biohaven, Eli Lilly, Lundbeck, Novartis, Pfizer and Teva Pharmaceuticals. She is the Honorary Secretary of the International Headache Society, is an associate editor for Cephalalgia and Neurologia. She is a member of the Clinical Trials Guidelines Committee of the International Headache Society. She has edited the Guidelines for the Diagnosis and Treatment of Headache of the Spanish Neurological Society. J.S. None disclosed. T.J.S. has received, in the last 36 months, consulting fees from AbbVie, Allergan, Amgen, Axsome, Collegium, Eli Lilly, Linpharma, Lundbeck, Salvia, Satsuma, Scilex, Theranica. Royalties from UpToDate. Research Grants from the American Heart Association, Flinn Foundation, Henry Jackson Foundation, National Headache Foundation, National Institutes of Health, Patient Centered Outcomes Research Institute, Pfizer, Spark Neuro, United States Department of Defense. And Stock Options from Allevalux, Aural Analytics, Nocira. C.T., in the last 36 months, has received an institution grant from Abbvie. She has received personal consulting fees from Abbvie, Eli Lilly, Dompe, Ipsen, Lundbeck, Pfizer, Medscape and Teva. She has received honoraria from Abbvie, Eli Lilly, Teva, Lundbeck and Pfizer. She has received support from attending meetings/travel from Abbvie, Eli Lilly, Dompe, Ipsen, Teva, Lundbeck and Pfizer. She is a PI in trials sponsored by Abbvie, Biohaven, Eli Lilly, Ipsen, Lundbeck, Pfizer and Teva and has received drugs for an investigator-initiated trial. G.T., in the last 36 months, reports institutional funding from the Dutch Brain Council, grant funding from the European Community, Dutch Heart Foundation, IRRF and Dioraphte. She has received royalties from Up to date (RVCL-S) and personal royalties from the Dutch Neurology Handbook. She receives consulting fees from Novartis, Lilly, Teva, Abbvie/Allergan, Lundbeck and Pfizer to her institution. She has received honoraria from Spring Media, Ashfield MedComms, Remedica and Cygnea, paid to her institution. She has patent planned, issued or pending for consultation of e-diary patient journey with Interactive Studios. She participates (unpaid) with CGRP Education and Research Forum. Has unpaid board, society, committee roles with Dutch Headache Society (Board Member), Dutch Headache Alliance (Advisory Member), National Headache Guidance for Neurologists (Chair), Clinical Trial Guideline Committee of the International Headache Society (Chair) and Women's Leadership Forum of the International Headache Society (Chair). S.J.W. None disclosed