1. Department of Emergency Medicine; Beth Israel Deaconess Medical Center; Boston; MA
2. The Department of Emergency Medicine; University of California at San Francisco; San Francisco; CA
3. The Department of Emergency Medicine; Harbor-UCLA Medical Center; University of California, Los Angeles-David Geffen School of Medicine, and Los Angeles Biomedical Research Institute at Harbor-UCLA; Los Angeles; CA
4. The Department of Emergency Medicine; Wayne State University; Farming Hills; MI
5. The Office of Graduate Medical Education; Partners Healthcare System; Center for Teaching and Learning; Harvard Medical School; and Department of Emergency Medicine; Brigham and Women's Hospital; Boston; MA
6. The Lane Medical Library; Stanford University School of Medicine; Stanford; CA
7. and The Department of Emergency Medicine; Emory University School of Medicine; Atlanta; GA