McGeary DD, Resick PA, Penzien DB, Eapen BC, Jaramillo C, McGeary CA, Nabity PS, Peterson AL, Young-McCaughan S, Keane TM, Reed D, Moring J, Sico JJ, Pangarkar SS, Houle TT. Reason to doubt the ICHD-3 7-day inclusion criterion for mild TBI-related posttraumatic headache: A nested cohort study. Cephalalgia. 2020 10; 40(11):1155-1167.