[1] Univ Cincinnati, Coll Med, Dept Pediat, Cincinnati, OH USA
[2] Cincinnati Childrens Hosp Med Ctr, Div Gen & Community Pediat & Hosp Med, Cincinnati, OH 45229 USA
[3] Vermont Oxford Network, Burlington, VT 05401 USA
[4] Univ Vermont, Robert Larner MD Coll Med, Dept Pediat, Burlington, VT 05405 USA
[5] Univ Vermont, Coll Engn & Math Sci, Dept Math & Stat, Burlington, VT 05405 USA
[6] Icahn Sch Med Mt Sinai, Blavatnik Family Womens Hlth Res Inst, New York, NY 10029 USA
[7] Icahn Sch Med Mt Sinai, Dept Obstet Gynecol & Reprod Sci, New York, NY 10029 USA
[8] Icahn Sch Med Mt Sinai, Dept Populat Hlth Sci & Policy, New York, NY 10029 USA
[9] Beth Israel Deaconess Med Ctr, Dept Neonatol, Boston, MA 02215 USA
[10] Harvard TH Chan Sch Publ Hlth, Dept Social & Behav Sci, Boston, MA USA
[11] Harvard Med Sch, Dept Pediat, Boston, MA 02115 USA