1. Division of Emergency Medicine; Washington University in St. Louis School of Medicine; St. Louis MO
2. Department of Emergency Medicine; Northwestern University Feinberg School of Medicine; Chicago IL
3. Department of Emergency Medicine; Vanderbilt University; Nashville TN
4. Department of Neurosurgery; Washington University in St. Louis; St. Louis MO
5. Becker Medical Library; Washington University School of Medicine in St. Louis; St. Louis MO
6. Department of Emergency Medicine and Center for Practice Innovation; George Washington University; Washington DC
7. Department of Emergency Medicine and Department of Biomedical & Molecular Sciences; Queen's University; Kingston Ontario Canada