1 Global Alliance to Prevent Prematurity and Stillbirth (GAPPS), Seattle, WA 98101, USA. Electronic address: eve.lackritz@seattlechildrens.org.
2 Bill & Melinda Gates Foundation, Seattle, WA, USA.
3 Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health (NIH), Bethesda, MD, USA.
4 March of Dimes Foundation, White Plains, NY, USA.
5 Global Alliance to Prevent Prematurity and Stillbirth (GAPPS), Seattle, WA 98101, USA.
6 Department of Maternal, Newborn, Child and Adolescent Health, World Health Organization, Geneva, Switzerland.
7 Department of Pediatrics, Perinatal Institute, University of Cincinnati College of Medicine, Cincinnati, OH, USA.
8 Global Alliance to Prevent Prematurity and Stillbirth (GAPPS), Seattle, WA 98101, USA; Department of Obstetrics and Gynecology, University of Washington, Seattle, WA, USA.
9 Department of Obstetrics and Gynecology, Columbia University Medical Center, New York, NY, USA.
10 Bill & Melinda Gates Foundation, Seattle, WA, USA; Department of Pediatrics, University of Iowa, Iowa City, IA, USA.