1. Alpert Medical School of Brown University, Department of Emergency Medicine, Providence, Rhode Island
2. Virginia Commonwealth University School of Medicine, Department of Emergency Medicine, Richmond, Virginia; University of Cincinnati, Departments of Emergency Medicine and Medical Education, Cincinnati, Ohio
3. Indiana University School of Medicine, Department of Emergency Medicine, Indianapolis, Indiana
4. University of Michigan Medical School, Department of Emergency Medicine, Ann Arbor, Michigan
5. Harvard Medical School, Department of Emergency Medicine, Boston, Massachusetts