1. Department of Emergency Medicine, Wayne State University , Detroit, Michigan , USA
2. Emergency Medicine, Integrative Biosciences Center, Wayne State University , Detroit, Michigan , USA
3. Division of Biostatistics, School of Public Health, University of Minnesota , Minneapolis, Minnesota , USA
4. Department of Radiology and College of Engineering, Wayne State University , Detroit, Michigan , USA
5. Department of Radiology, School of Medicine, University of Washington , Seattle, Washington , USA
6. Department of Family Medicine and Public Health Sciences, Wayne State University , Detroit, Michigan , USA
7. Department of Emergency Medicine, Vanderbilt University Medical Center and the Geriatric Research Education Clinical Center, Tennessee Valley Healthcare System VA Medical Center , Nashville, Tennessee , USA
8. Department of Internal Medicine, Southern Illinois University , Springfield, Illinois , USA