1 Office of Population and Reproductive Health, Bureau for Global Health, United States Agency for International Development, Washington, DC 20523, USA.
2 Population Council, New York, NY, USA.
3 Guttmacher Institute, New York, NY, USA.
4 Futures Group International, Wallkill, NY, USA.
5 Futures Institute, Glastonbury, CT, USA.
6 Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.
7 United Nations Population Fund, New York, NY, USA.
8 Office of Population and Reproductive Health, Bureau for Global Health, United States Agency for International Development, Washington, DC 20523, USA. Electronic address: estarbird@usaid.gov.