[1] Department of Emergency Medicine, Brigham and Women’s Hospital, 75 Francis Street, Boston, 02115, MA
[2] Harvard Affiliated Emergency Medicine Residency, Brigham and Women’s Hospital/Massachusetts General Hospital, Boston, MA
[3] Department of Emergency Medicine, Harvard Medical School, Boston, MA
[4] Center for Clinical Excellence, Brigham and Women’s Hospital, Boston, MA
[5] Department of Emergency Medicine, Massachusetts General Hospital, 55 Fruit Street, Boston, MA