Affiliation: | 1. Department of Emergency Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA;2. Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA;3. Section of Emergency Medicine, Dartmouth‐Hitchcock Medical Center, Geisel School of Medicine at Dartmouth, Lebanon, NH;4. Division of Emergency Medicine, Department of Surgery, University of Vermont Medical Center, University of Vermont College of Medicine, Burlington, VT |