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Article History

Received: 8 September 2023

Accepted: 24 October 2023

First Online: 8 November 2023

Declarations

:

: The conduct of the study was governed by the Declaration of Helsinki and its amendments, and any applicable national guidelines. All study participants were required to provide informed consent prior to enrollment in the study.

: Not applicable.

: RBL has received research support from the National Headache Foundation, the National Institutes of Health, and the US Food and Drug Administration. He serves as consultant, advisory board member, or has received honoraria or research support from AbbVie/Allergan, Amgen, Biohaven, Dr. Reddy’s Laboratories (Promius), electroCore, Eli Lilly, GlaxoSmithKline, Lundbeck, Merck, Novartis, Pfizer, Teva, Vector, and Vedanta Research. He receives royalties from <i>Wolff’s Headache</i>, 8th edition (Oxford University Press, 2009), and Informa. He holds stock/options in Biohaven and Manistee, and is the overall principal investigator for the CaMEO-I Study. ML-M reports personal fees for advisory boards, speaker panels, or investigation studies from Allergan, Amgen, Astellas, ATI, BMS, Boehringer, Boston Scientific, CoLucid, Convergence, GlaxoSmithKline, Grunenthal, IPSEN, Lundbeck, Lilly, Medtronic, Menarini, MSD, Novartis, Pfizer, Reckitt Benckiser, Saint-Jude, Sanofi-Aventis, Teva, UCB, UPSA, and Zambon. EL has received speaker fees and consulting fees from Allergan, Eli Lilly, and Teva Neuroscience; consulting fees from Aralez Pharmaceuticals, McKesson Canada, and Medscape; speaking fees, consulting, and reimbursement for travel from Novartis; and reimbursement for travel from I-GPAC. JC-DL and AMA are employees of AbbVie and may hold AbbVie stock. MLR is managing director of Vedanta Research, which has received research funding from AbbVie, Allay Lamp, Dr. Reddy’s Laboratories, Eli Lilly, and GlaxoSmithKline via grants to the National Headache Foundation. Vedanta Research has received funding directly from AbbVie for work on the CaMEO and CaMEO-I Studies. KMF is managing director of MIST Research, which has received research funding from AbbVie, Allay Lamp, NYC Langone Health, Juva Health, and GlaxoSmithKline via grants to the National Headache Foundation. DCB has received grant support and honoraria from AbbVie, Amgen, Biohaven, Collegium, Eli Lilly and Company, Lundbeck, and Teva and for work on the editorial board of <i>Current Pain and Headache Reports</i>, and is the national principal investigator in the United States for the CaMEO-I Study.