e-CBT DTx for Post Traumatic Headaches in Adults With History of TBI

Inclusion Criteria: * Be aged ≥ 18 to ≤ 70 years * Have a history of concussive TBI ≥ 3 months prior to enrollment: * A concussive TBI is defined by having at least one of the following after a head trauma (ACRM, 1993) oAny period of loss of consciousness; oAny loss of memory for events immediately before or after the accident; oAny alteration in mental state at the time of the accident (e.g., feeling dazed, disoriented, or confused); and oFocal neurological deficit(s) that may or may not be transient oThe injury must not exceed any of the following (ACRM, 1993): * Loss of consciousness of approximately 30 minutes or less; * After 30 minutes an initial GCS score of 13-15; and * PTA not greater than 24 hours * Head trauma resulting in concussive TBI can be due to blast or non-blast mechanisms * Head trauma resulting in concussive TBI can have occurred any time in the participant's life: prior to military service, during deployment, in garrison, or after leaving military service * Have a history of chronic PTH defined as: o Headache is reported to have developed (or worsened) after one of the following\*: * The injury to the head; * Regaining of consciousness following the injury to the head; or * Discontinuation of medication(s) impairing ability to sense or report headache following the injury to the head * Not better accounted for by another ICHD-3 diagnosis\*\* o The headache persists for \>3 months after its onset (ICHD, 2013) * Have a HIT-6™ score of ≥ 56 to 7…