1 Department of Obstetrics, Gynecology, and Reproductive Biology, Massachusetts General Hospital (Clapp, Melamed), Boston, MA. Electronic address: [email protected].
2 Department of Global Health and Population, Harvard T.H. Chan School of Public Health (Cohen), Boston, MA.
3 Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California at San Diego (Gyamfi-Bannerman), San Diego, CA.
4 Department of Obstetrics and Gynecology, University of South Florida (Kaimal), Tampa, FL.
5 Division of Neonatology, Children's Hospital of Philadelphia (Lorch), Philadelphia, PA.
6 Department of Obstetrics and Gynecology, Columbia University (Wright), New York, NY.
7 Department of Obstetrics, Gynecology, and Reproductive Biology, Massachusetts General Hospital (Clapp, Melamed).