The added value of an electronic monitoring and alerting system in the management of medication-overuse headache: A controlled multicentre study. - Tassorelli, Cristina; Jensen, Rigmor; Allena, Marta; De Icco, Roberto; Katsarava, Zaza; Lainez, J. Miguel; Leston, Jorge A.; Fadic, Ricardo; Spadafora, Santiago; Pagani, Marco; Nappi, Giuseppe; Miguel Lainez, J; et al. (Cephalalgia, 2017)