1. Department of Biobehavioral HealthPennsylvania State UniversityUniversity Park Pennsylvania 16802
2. Department of AnthropologyPennsylvania State UniversityUniversity Park Pennsylvania 16802
3. Department of AnthropologyNorthwestern UniversityEvanston Illinois 60208
4. Institute for Policy Research, Northwestern UniversityEvanston Illinois 60208
5. Department of Medicine, Weill Cornell MedicineCenter for Global HealthNew York New York 10065
6. National Institute for Medical ResearchMwanza Tanzania