| Affiliation: | 1. Department of Emergency Medicine, San Antonio Military Medical Center, 3841 Roger Brooke Drive, Fort Sam Houston, TX 78234, USA;2. Department of Emergency Medicine, The University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390, USA;3. Department of Emergency Medicine, Carolinas HealthCare System, Medical Education Bldg., Third floor, 1000 Blythe Blvd, Charlotte, NC 28203, USA;1. Department of Emergency Medicine, Harbor-UCLA Medical Center, David Geffen School of Medicine at UCLA, Torrance, 1000 W. Carson Street, Box 21, Torrance, CA 90502, USA;2. Department of Emergency Medicine, San Antonio Military Medical Center, 3841 Roger Brooke Drive, Fort Sam Houston, TX 78234, USA;3. Department of Emergency Medicine, The University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390, USA;1. Department of Emergency Medicine, San Antonio Military Medical Center, 3841 Roger Brooke Drive, Fort Sam Houston, TX 78234, USA;2. Department of Emergency Medicine, The University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390, USA;3. Department of Emergency Medicine, Carolinas HealthCare System, Medical Education Building, Third floor, 1000 Blythe Boulevard, Charlotte, NC 28203, USA;1. Department of Emergency Medicine, Emory University School of Medicine, 1648 Pierce Drive Northeast, Atlanta, GA 30307, USA;2. Department of Emergency Medicine, University of Texas-Southwestern, Parkland Hospital, 5323 Harry Hines Boulevard, Dallas, TX 75390, USA |
