Funding for this research was provided by:
U.S. Department of Defense (W81XWH-17-1-0157)
Received: 28 February 2020
Accepted: 31 August 2020
First Online: 11 September 2020
Ethics approval and consent to participate
: Institutional review boards at collaborating sites approved the protocol. Participants provided informed consent. Additionally, the U.S. Army Medical Research and Development Command Office of Research Protections, Human Research Protection Office approved the protocol.
: Not Applicable.
: The authors declare that they have no competing interests.