1. Division of Emergency Medicine; Barnes-Jewish Hospital; Washington University School of Medicine; St. Louis MO
2. Washington University Institute for Public Health; St. Louis MO
3. Saint Louis University; School of Medicine; St. Louis MO
4. Department of Emergency Medicine; Beth Israel Deaconess Medical Center; Harvard Affiliated Emergency Medicine Residency; Boston MA
5. Division of Public Health Sciences; Department of Surgery; Washington University in St. Louis; School of Medicine; St. Louis MO