[1] Hennepin Healthcare Res Inst, Hlth Homelessness & Criminal Justice Lab, 701 Pk Ave,S2-309, Minneapolis, MN 55415 USA
[2] Univ Minnesota, Sch Publ Hlth, Minneapolis, MN USA
[3] Univ Nebraska Med Ctr, Coll Med, Omaha, NE USA
[4] Ann & Robert H Lurie Childrens Hosp, Stanley Manne Childrens Res Inst, Dept Pediat, Div Adv Gen Pediat, Chicago, IL USA
[5] Ann & Robert H Lurie Childrens Hosp, Stanley Manne Childrens Res Inst, Mary Ann & J Milburn Smith Child Hlth Res Outreac, Chicago, IL USA
[6] Northwestern Univ, Dept Pediat, Feinberg Sch Med, Chicago, IL 60611 USA
[7] Northwestern Univ, Inst Policy Res, Chicago, IL 60611 USA
[8] Hennepin Healthcare, Dept Med, Div Gen Internal Med, Minneapolis, MN USA
[9] Harvard Med Sch, Dept Internal Med, Boston, MA 02115 USA
[10] Harvard Med Sch, Dept Pediat, Boston, MA 02115 USA
[11] Boston Childrens Hosp, Brigham & Womens Hosp, Internal Med Pediat Residency Program, Boston, MA USA
[12] Boston Med Ctr, Boston, MA USA