Concussion Classification in a Multicenter Patient Cohort: The Updated ACRM Diagnostic Criteria and Concordance With Physician Impression of Injury.

Dodd AB, Silverberg ND, Yeates KO, Chen K, Kutcher SA, Webster RJ, Johnston S, Cortel-Leblanc MA, Terekhov I, Zemek RL; TRANSCENDENT Concussion Research Program.