Funding for this research was provided by:
National Institute of Mental Health (Grant No. R21-MH-086317)
U.S. Department of Defense (W81XWH-15-1-0506)
Received: 12 October 2019
Accepted: 10 September 2020
First Online: 21 September 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Review Boards of Geisinger Clinic (IRB Study # 2015–0441) and the US Department of Defense (IRB Study # A-18989).
: Not applicable.
: The authors declare they have no competing interests.