1. Department of Emergency Medicine; Rhode Island Hospital/Alpert Medical School; Brown University; Providence RI
2. Department of Emergency Medicine; the University of Pennsylvania; Philadelphia PA
3. Department of Emergency Medicine; University of Colorado; Aurora CO
4. Colorado School of Public Health; Aurora CO
5. American Heart Association; Dallas TX
6. Department of Psychiatry & Human Behavior; The Miriam Hospital/Alpert Medical School; Brown University; Providence RI