1. Department of Emergency Medicine, University of Arkansas for Medical Sciences, Fayetteville, AR
2. Department of Emergency Medicine, New York-Presbyterian Hospital / Weill Cornell Medical College, New York, NY
3. School of Integrative Physiology and Athletic Training, University of Montana, Missoula, MT
4. GOES Health, Redwood City, CA
5. Department of Emergency Medicine, University of Cincinnati, Cincinnati, OH
6. Department of Internal Medicine, University of Arkansas for Medical Sciences, Fayetteville, AR
7. Pulmonary and Critical Care Division, Intermountain Medical Center and the University of Utah, Salt Lake City, UT