1. Department of Emergency Medicine; University of Colorado Denver-Anschutz Medical Campus; Aurora CO
2. CREST Research Program; Department of Emergency Medicine; San Antonio Military Medical Center; San Antonio TX
3. Beckman Laser Institute and Medical Clinic; University of California at Irvine; Irvine CA
4. Air Force En Route Care Research Center; San Antonio TX
5. Department of Medicine; University of California at San Diego; La Jolla CA