Cost-efficacy evaluation of a mindfulness-based program added to treatment as usual for the treatment of chronic migraine associated to medication overuse headache. - Raggi A; D'Amico D; Guastafierro E; Ciusani E; Montisano DA; Erbetta A; Demichelis G; Fedeli D; Nigri A; Grazzi L (Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology, 2025)