1. Department of Emergency Medicine The Ohio State University Columbus Ohio USA
2. Department of Emergency Medicine University of California Davis Health System Sacramento California USA
3. Department of Emergency Medicine Wayne State University Detroit Michigan USA
4. Department of Emergency Medicine Sidney Kimmel Medical College at Thomas Jefferson University Philadelphia Pennsylvania USA
5. Department of Emergency Medicine University of Massachusetts–Baystate Springfield Massachusetts USA
6. Department of Emergency Medicine University of Massachusetts Worchester Massachusetts USA
7. BerbeeWalsh Department of Emergency Medicine University of Wisconsin–Madison School of Medicine and Public Health Madison Wisconsin USA