Funding for this research was provided by:
Department of Defense/Joint Warfigher Medical Research Program (W81XWH-20-2-0001)
Received: 25 April 2021
Accepted: 6 October 2021
First Online: 8 November 2021
: SAVE-O2 has been approved with a waiver of informed consent by the Colorado Multiple Institutional Review Board (COMIRB #19-2153), which serves as the single IRB for this study.
: Not applicable
: The authors declare that they have no competing interests.