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Results for the two switches subgroup. Mean monthly migraine days (MMD) during the first 6 months (A), percentage of patients achieving ≥ 50% reduction in MMD at 3 and 6 months (B), average HIT-6 (C) and MIDAS (D) scores at baseline, 3 and 6 months during the first, second, and third treatment cycles of the two switches subgroup. Error bars represent standard errors of the mean
