1 Department of Emergency Medicine, Massachusetts General Hospital/Harvard Medical School, Boston, MA.
2 Department of Emergency Medicine, Massachusetts General Hospital/Harvard Medical School, Boston, MA; Mass General Brigham Digital Health, Boston, MA.
3 Department of Emergency Medicine, Brigham and Women's Hospital/Harvard Medical School, Boston, MA.
4 Mass General Brigham Digital Health, Boston, MA.
5 Department of Emergency Medicine, Massachusetts General Hospital/Harvard Medical School, Boston, MA; Department of Emergency Medicine, Brigham and Women's Hospital/Harvard Medical School, Boston, MA.