[1] Yale Sch Med, Dept Emergency Med, New Haven, CT USA
[2] Univ Minnesota, Dept Family Med & Community Hlth, Med Sch, Minneapolis, MN USA
[3] Univ Penn, Perelman Sch Med, Dept Family Med & Community Hlth, Philadelphia, PA USA
[4] Univ Penn, Sch Nursing, Dept Family & Community Hlth, Philadelphia, PA USA
[5] Univ Illinois, Sch Publ Hlth, Div Community Hlth Sci, Chicago, IL USA
[6] Northwestern Univ, Feinberg Sch Med, Dept Obstet & Gynecol, Chicago, IL USA
[7] Univ Connecticut, Sch Med, Dept Publ Hlth Sci, Farmington, CT USA
[8] Univ Calif San Diego, Dept Anthropol, La Jolla, CA USA
[9] Washington Univ St Louis, Sch Med, Dept Surg, Div Publ Hlth Sci, St Louis, MO USA
[10] Univ Calif San Diego, Dept Pediat, Div Gen Acad Pediat, San Diego, CA USA
[11] Univ Illinois, Sch Publ Hlth, Div Community Hlth Sci, Chicago, IL USA
[12] Univ Michigan, Sch Nursing, Sch Nursing Womens & Gender Studies, Ann Arbor, MI USA