1. Southern Illinois University School of Medicine, Department of Emergency Medicine, Springfield, Illinois
2. Southern Illinois University School of Medicine, Department of Emergency Medicine, Springfield, IllinoisSouthern Illinois University School of Medicine, Department of Emergency Medicine, Springfield, Illinois
3. Memorial Medical Center, Springfield, Illinois
4. Southern Illinois University School of Medicine, Springfield, Illinois
5. Southern Illinois University School of Medicine, Department of Emergency Medicine, Springfield, Illinois State of Illinois EMS Medical Director, Department of Public Health, Springfield, Illinois