1 Department of Emergency Medicine, Brigham and Women's Hospital, Boston, MA; Department of Emergency Medicine, Massachusetts General Hospital, Boston, MA. Electronic address: melaniefmolina@utexas.edu.
2 Department of Emergency Medicine, Brigham and Women's Hospital, Boston, MA.
3 Department of Emergency Medicine, Brigham and Women's Hospital, Boston, MA; Department of Emergency Medicine, Massachusetts General Hospital, Boston, MA.
4 Department of Medicine, Massachusetts General Hospital, Boston, MA.