1. Department of Human and Molecular Genetics; Virginia Commonwealth University; Richmond Virginia
2. Department of Obstetrics and Gynecology; Virginia Commonwealth University; Richmond Virginia
3. Department of Anthropology; Pennsylvania State University; University Park Pennsylvania
4. Department of Microbiology and Immunology; Virginia Commonwealth University; Richmond Virginia
5. Perinatology Research Branch; Eunice Kennedy Shriver National Institute for Child Health and Human Development; NIH; Detroit Michigan
6. Department of Obstetrics and Gynecology; University of Michigan; Ann Arbor Michigan
7. Department of Epidemiology and Biostatistics; Michigan State University; East Lansing Michigan
8. Center for Molecular Medicine and Genetics; Wayne State University; Detroit Michigan