[1] Imperial Coll, Dept Brain Sci, London, England
[2] Univ N Carolina, Gillings Sch Global Publ Hlth, Sch Med, Dept Pediat, Chapel Hill, NC USA
[3] Univ Washington, Dept Pediat, Seattle, WA USA
[4] Univ Washington, Dept Oral Hlth Sci & Mech Engn, Seattle, WA USA
[5] Seattle Childrens Hosp, Seattle, WA USA
[6] Baylor Coll Med, Dept Obstet & Gynecol, Houston, TX USA
[7] Univ N Carolina, Sch Med, Dept Pediat, Chapel Hill, NC USA
[8] Christiana Care, Dept Obstet & Gynecol, Newark, DE USA
[9] Baylor Coll Med, Dept Obstet & Gynecol, Div Maternal Fetal Med, Houston, TX USA
[10] Texas Childrens Hosp, Houston, TX USA
[11] Maulana Azad Med Coll, Dept Pediat, Former Dept Neonatol, New Delhi, India
[12] Kinshasa Sch Publ Hlth, Dept Pediat, Kinshasa, DEM REP CONGO
[13] Baylor Coll Med, Childrens Fdn, Dept Pediat, Lilongwe, Central, Malawi
[14] Hosp Sick Children, Ctr Global Child Hlth, Dept Pediat, Toronto, ON, Canada
[15] Univ Texas Austin, Dept Pediat, Austin, TX USA
[16] Wayne State Univ, Dept Pediat, Detroit, MI USA