[1] Univ Alabama Birmingham, Dept Surg, Div Trauma & Acute Care Surg, Birmingham, AL USA
[2] Tact Combat Casualty Care & DoD Joint Trauma Syst, Ft Sam Houston, TX USA
[3] Oregon Hlth & Sci Univ, Dept Surg, Portland, OR USA
[4] South Texas Blood & Tissue, San Antonio, TX USA
[5] Def Hlth Headquarters, Armed Serv Blood Program, Falls Church, VA USA
[6] Western Michigan Univ, Homer Stryker MD Sch Med, Dept Emergency Med, Kalamazoo, MI USA
[7] Univ Colorado, Dept Surg, Denver, CO USA
[8] UTHlth, Dept Surg, San Antonio, TX USA
[9] Univ Toronto, Canadian Forces Hlth Serv, Toronto, ON, Canada
[10] George Washington Univ, Sch Med & Hlth Sci, Dept Med, Washington, DC USA
[11] US Army, Joint Trauma Syst, Dept Def, Ft Sam Houston, TX USA