1. Department of Emergency Medicine; Maricopa Integrated Health System; Phoenix Arizona
2. Department of Emergency Medicine; University of Arizona College of Medicine Phoenix; Phoenix Arizona
3. Department of Emergency Medicine; The University of Michigan; Ann Arbor Michigan
4. Department of Emergency Medicine; Thomas Jefferson University; Philadelphia Pennsylvania
5. Division of Pulmonary and Critical Care Medicine; David Geffen School of Medicine, UCLA; Los Angeles California
6. Department of Grants and Research; Maricopa Integrated Health System; Phoenix Arizona
7. Department of Medicine Administration; University of Arizona College of Medicine Phoenix; Phoenix Arizona
8. Department of Emergency Medicine; Denver Health Medical Center; Denver Colorado