1. Department of Anthropology Northwestern University Evanston Illinois
2. Institute for Policy Research Northwestern University Evanston Illinois
3. Child and Brain Development Program Canadian Institute for Advanced Research Toronto Ontario Canada
4. Department of Medical Genetics University of British Columbia
5. BC Children's Hospital Research Institute
6. Department of Biochemistry and Medical Genetics University of Manitoba
7. Department of Anthropology University of Pennsylvania Philadelphia Pennsylvania
8. Population Studies Center University of Pennsylvania Philadelphia Pennsylvania
9. USC‐Office of Population Studies Foundation, Inc. University of San Carlos Cebu City Philippines
10. Department of Nutrition and Dietetics University of San Carlos Cebu City Philippines
11. Department of Psychology Northwestern University Evanston Illinois