Fig. 1From: Mild traumatic brain injury affects the features of migraineFlow-chart summarizing inclusion and exclusion of patientsaThe first numbers indicate the ICHD-3 diagnosis code. bThe last numbers indicate the number of patients excluded because of having that headache or facial pain type. ARMR: American Registry for Migraine Research, TBI: traumatic brain injury, mTBI: mild traumatic brain injury.Back to article page