Towards a standardized process of onboarding advanced practice providers into headache medicine practices in the United States: Expert consensus from the American Headache Society practice management committee. - Cook, Calli; Freeman, Marshall C.; Ailani, Jessica; Ehrlich, Annika; Grosberg, Brian; Kabbouche, Marielle; Moriarty, Maureen; Secora, Karissa; VanderPluym, Juliana; Klein, Brad; Birlea, Marius (Headache: The Journal of Head & Face Pain, 2026)