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The US Army Medical Research Acquisition Activity, 820 Chandler Street, Fort Detrick, MD\u00a021702\u20135014, is the awarding and administering acquisition office. This work was supported by the Office of the Assistant Secretary of Defense for Health Affairs, through the Combat Casualty Care Research Program, endorsed by the DoD, through the Joint Program Committee 6\/Combat Casualty Care Research Program\u2014Psychological Health and Traumatic Brain Injury Program under Award No. W81XWH1420151.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Funding"}},{"value":"Shawn R. Eagle, Breton Asken, Alicia Trbovich, Zachary M. Houck, Russell M. Bauer, James R. Clugston, Steven P. Broglio, Thomas W. McAllister, Michael A. McCrea, Paul Pasquina, Michael W. Collins, Anthony P. Kontos, and the CARE Consortium Investigators declare no competing interests.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interests"}},{"value":"The complete NCAA\/DoD database is available on FITBIR.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Availability of data and material"}},{"value":"Not applicable.","order":5,"name":"Ethics","group":{"name":"EthicsHeading","label":"Code availability"}},{"value":"SE, BA, and AK designed the study, conducted the analyses, and wrote and reviewed the manuscript. AT, ZH, RB, JC, and MC contributed to analytical design, writing, and critical review of the manuscript. SB TM, MM, PP are the primary principal investigators of the NCAA\/DoD CARE Consortium study and contributed to the overall study design and critical review of the manuscript. MP, AH, JO, NP, TB, TK, MH, SD, CM, and LL contributed to data collection and critical review of the manuscript.","order":6,"name":"Ethics","group":{"name":"EthicsHeading","label":"Authors\u2019 contributions"}},{"value":"This study was approved by each participating site\u2019s IRB for human subjects\u2019 research.","order":7,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval"}},{"value":"Participants completed written informed consent prior to initiating study procedures<b>.<\/b>","order":8,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent to participate"}},{"value":"Not applicable.","order":9,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}}]}}