1. Department of Emergency Medicine, University of California, Los Angeles, Los Angeles, California, USA
2. Department of Medical Toxicology, Banner University Medical Center, Phoenix, Phoenix, Arizona, USA
3. Department of Surgery, Division of Trauma Surgery, Banner University Medical Center, Phoenix, Phoenix, Arizona, USA
4. Department of Emergency Medicine, Harbor UCLA Medical Center, University of California, Los Angeles, Torrance, California, USA
5. College of Graduate Studies, Midwestern University, Glendale, Arizona, USA
6. School of Medicine, University of Hawaii, Honolulu, Hawaii, USA