TY - JOUR AU - Messina, Roberta AU - Goadsby, Peter J. AU - Filippi, Massimo PY - 2020 M3 - Editorial TI - Editorial: Functional and Structural Brain Alterations in Headache: A Trait or a State? JO - Frontiers in Neurology UR - https://www.frontiersin.org/articles/10.3389/fneur.2020.00859 VL - 11 SN - 1664-2295 ER -