[1] Harvard Med Sch, Boston, MA 02115 USA
[2] Brigham & Womens Hosp, Emergency Med, 75 Francis St, Boston, MA 02115 USA
[3] Brigham & Womens Hosp, Access & Network Dev, 75 Francis St, Boston, MA 02115 USA
[4] Harvard Med Sch, Res & Instruct Team, Boston, MA 02115 USA
[5] Suffolk Univ, Sawyer Sch Business, Healthcare Management, Boston, MA 02114 USA
[6] Harvard Med Sch, Dept Global Hlth & Social Med, Boston, MA 02115 USA