[1] Harvard Med Sch, Brigham & Womens Hosp, Dept Pediat Newborn Med, Global Adv Infants & Mothers AIM, Boston, MA 02115 USA
[2] Univ Queensland, NHMRC Ctr Res Excellence Stillbirth Stillbirth CR, Mater Res Inst, South Brisbane, Australia
[3] Harvard Med Sch, Countway Med Lib, Boston, MA 02115 USA
[4] WHO, Geneva, Switzerland