1 University of Miami, Jackson Memorial Hospital/Miller School of Medicine, Department of Emergency Medicine, 1611 N.W. 12th Avenue, Miami, FL 33136, United States.
2 Brooke Army Medical Center, Department of Emergency Medicine, 3841 Roger Brooke Dr, Fort Sam Houston, TX, United States, 78234.
3 The University of Texas Southwestern Medical Center, Department of Emergency Medicine, 5323 Harry Hines Boulevard, Dallas, TX 75390, United States.
4 Brooke Army Medical Center, Department of Emergency Medicine, 3841 Roger Brooke Dr, Fort Sam Houston, TX, United States, 78234. Electronic address: brit.long@yahoo.com.