Affiliation: | (1) Department of Emergency Medicine Clinics 115, Massachusetts General Hospital, 55 Fruit St, Boston, MA 02115, USA;(2) Harvard Medical School, Boston, MA, USA;(3) Tufts Medical School, Boston, MA, USA;(4) Harvard-Affiliated Emergency Medical Residency, Boston, MA, USA;(5) Brigham and Women’s Hospital, Boston, MA, USA;(6) Beth-Israel Deaconess Medical Center, Boston, MA, USA;(7) The Cambridge Hospital, Cambridge, MA, USA;(8) The Mount Auburn Hospital, Cambridge, MA, USA |