Funding for this research was provided by:
Health Services Research and Development (CDP-12-252)
Received: 7 September 2018
Accepted: 26 December 2018
First Online: 4 February 2019
Ethics approval and consent to participate
: The study protocol and procedures were approved by the Veterans Health Administration New York Harbor Healthcare System Institutional Review Board (MIRB01496). Written informed consent was obtained from all participating players.
: Not applicable.
: The authors declare that they have no competing interests.
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