1. Department of Emergency Medicine, Brooke Army Medical Center, JBSA Fort Sam Houston, San Antonio, TX 78234, USA
2. Medical Command, Texas Army National Guard, Austin, TX 78703, USA
3. Department of Surgery, UNM School of Medicine, Albuquerque, NM 87131, USA
4. Department of pediatric, Brooke Army Medical Center, JBSA Fort Sam Houston, San Antonio, TX, USA
5. Uniformed Services Univeristy of the Health Sciences, Bethesda, Maryland 20814, USA
6. United States Army Institute of Surgical Research, JBSA Fort Sam Houston, San Antonio, TX 78234, USA
7. Department of Surgery, University of Texas Health Science Center, San Antonio, TX 78229, USA