1. Department of Obstetrics & Gynecology, Washington University in St Louis, St. Louis, Missouri, USA
2. Brown School, Washington University in St Louis, St Louis, Missouri, USA
3. Department of Anthropology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
4. Institute of Anthropology, Gender & African Studies, University of Nairobi, Nairobi, Kenya
5. ZRT Laboratory, Beaverton, Oregon, USA
6. Department of Epidemiology, University of Michigan, Ann Arbor, Michigan, USA
7. Center for Studies in Demography and Ecology, University of Washington, Seattle, Washington, USA
8. Department of Gender & Women’s Studies, Western Michigan University, Kalamazoo, Michigan, USA