Matthew J. Lennon, Helen Brooker, Byron Creese, Tony Thayanandan, Grant Rigney, Dag Aarsland, Adam Hampshire, Clive Ballard, Anne Corbett, and Vanessa Raymont.Lifetime Traumatic Brain Injury and Cognitive Domain Deficits in Late Life: The PROTECT-TBI Cohort Study. Journal of Neurotrauma. ahead of print