1. Perinatology Research Branch, Division of Obstetric and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U. S. Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
2. Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
3. Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI, USA
4. Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, USA
5. Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, USA
6. Detroit Medical Center, Detroit, MI, USA
7. Department of Biochemistry, Microbiology, and Immunology, Wayne State University School of Medicine, Detroit, MI, USA
8. Department of Computer Science, Wayne State University College of Engineering, Detroit, MI, USA
9. Wayne State University School of Medicine, Detroit, MI, USA
10. Department of Physiology, Wayne State University School of Medicine, Detroit, MI, USA