1. Division of Respiratory, Critical Care, and Occupational Pulmonary Medicine, Department of Medicine; University of Utah; Salt Lake City UT USA
2. Division of Emergency Medicine; Intermountain Medical Center; Murray UT USA
3. Division of Emergency Medicine, Department of Surgery; University of Utah; Salt Lake City UT USA
4. Division of Pulmonary and Critical Care Medicine; Intermountain Medical Center; Murray UT USA