John G. McManus, MD, MCR, FACEP
: LTC
US Army Institute of Surgical Research, Fort Sam Houston, 3400 Rawley Chambers Avenue, Suite B, San Antonio, TX 78234-6315, USA
Emergency Medicine, University of Texas Health and Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229-3900, USA
Ian Wedmore, MD, FACEP
: COL
Madigan Army Medical Center, Fitzsimmons Drive, Tacoma, WA 98431, USA
Richard B. Schwartz, MD, FACEP 
Department of Emergency Medicine, Medical College of Georgia, 1120 15th Street AF-2026, Augusta, GA 30912-2800, USA