1. Virginia Commonwealth University School of Medicine/VCU Health, Department of Internal Medicine, Richmond, Virginia
2. University of Michigan, Department of Internal Medicine, Ann Arbor, Michigan
3. Virginia Commonwealth University School of Medicine/VCU Health, Department of Emergency Medicine, Richmond, Virginia
4. University of Michigan, Department of Internal Medicine, Ann Arbor, Michigan Virginia Commonwealth University School of Medicine/VCU Health, Department of Emergency Medicine, Richmond, Virginia