1. University of Illinois College of Medicine Peoria, OSF Saint Francis Medical Center, Department of Emergency Medicine, Peoria, Illinois
2. University of Illinois College of Medicine Peoria, Department of Emergency Medicine, Peoria, Illinois
3. University of Illinois Chicago, Jesse Brown VA Medical Center, Department of Anesthesiology, Chicago, Illinois
4. Oregon State University, Linus Pauling Institute, Department of Pharmaceutical Sciences, Corvallis, Oregon
5. University of Illinois Chicago, Jesse Brown VA Medical Center, Division of Pulmonary, Critical Care, Sleep, and Allergy Medicine, Chicago, Illinois
6. Rush University, Department of Emergency Medicine, Chicago, Illinois
7. John H. Stroger Hospital of Cook County, Department of Emergency Medicine, Chicago, Illinois