1. Departments of Anthropology
2. Psychiatry and Biobehavioral Sciences; UCLA; Los Angeles CA 90095 USA
3. Department of Anthropology; Dartmouth College; Hanover NH 03755 USA
4. Departments of Psychiatry & Human Behavior
5. Obstetrics & Gynecology
6. Epidemiology
7. Development, Health and Disease Research Program; UC Irvine; Irvine CA 92697 USA