1. aSchool of Medicine, University of California, San Francisco, California
2. bSchool of Public Health, Makerere University, Kampala, Uganda
3. cInternational Partnership for Human Development, Bissau, Guinea-Bissau
4. dSchool of Public Health, Indiana University, Bloomington, Indiana
5. eSchool of Medicine, University of Washington, Seattle, Washington
6. fCentre for Intervention Science for Maternal and Child Health, Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway