1. Department of Emergency Medicine, Brigham and Women’s Hospital, Boston, Massachusetts
2. Center for Outcomes Research and Evaluation, Yale University School of Medicine, New Haven, Connecticut
3. Harvard Affiliated Emergency Medicine Residency, Boston, Massachusetts
4. Center for Outcomes Research and Evaluation, Yale New Haven Hospital, New Haven, Connecticut
5. Department of Health Policy and Management, Harvard T.H. Chan School of Public Health, Boston, Massachusetts