Does Mindfulness-Based Cognitive Therapy for Migraine Reduce Migraine-Related Disability in People with Episodic and Chronic Migraine? A Phase 2b Pilot Randomized Clinical Trial. - Seng EK; Singer AB; Metts C; Grinberg AS; Patel ZS; Marzouk M; Rosenberg L; Day M; Minen MT; Lipton RB; Buse DC (Headache, 2019)