1. SLM and TAM contributed equally to this paper
2. School of Public Health, University of California, Berkeley, CA 94704, USA
3. US Army Institute of Surgical Research, Fort Sam Houston, TX 78234, USA
4. 102d Intelligence Wing Medical Group, Massachusetts Air National Guard, Joint Base Cape Cod, Otis ANGB, MA 02115, USA
5. Department of Public Health, Massachusetts College of Pharmacy and Health Sciences, Boston, MA 02115, USA
6. 724th Expeditionary Air Base Squadron, US Air Force, Ramstein-Miesenbach 66877, Germany
7. 946th Forward Resuscitative Surgical Team, US Army, Mobile, AL 36605, USA
8. Joint Trauma System, Defense Health Agency, Fort Sam Houston, TX 78234, USA