1. Department of Anthropology; University of California; San Diego, La Jolla CA
2. Vanderbilt Genetics Institute, Vanderbilt University; Nashville TN
3. Department of Psychology; Stanford University; Palo Alto CA
4. Department of Psychiatry and Behavioral Sciences; Tulane University School of Medicine; New Orleans LA
5. Department of Human Development and Quantitative Methodology; University of Maryland; College Park MD
6. Boston Children's Hospital; Boston MA
7. Harvard Graduate School of Education, Cambridge, MA