1. Department of Emergency Medicine, Brigham and Women’s Hospital, Boston, Massachusetts
2. Department of Emergency Medicine, Harvard Medical School, Boston, Massachusetts
3. Department of Computer Science, Columbia University, New York, New York
4. Department of Biomedical Informatics, Columbia University, New York, New York
5. Department of Medicine, Massachusetts General Hospital, Boston
6. Department of Medicine, Harvard Medical School, Boston, Massachusetts
7. Department of Emergency Medicine, Massachusetts General Hospital, Boston
8. Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts