1. Perinatology Research Branch; Program for Perinatal Research and Obstetrics; Division of Intramural Research; Eunice Kennedy Shriver National Institute of Child Health and Human Development; NICHD/NIH/DHHS; Bethesda, MD, and Detroit MI USA
2. Department of Obstetrics and Gynecology; Wayne State University School of Medicine; Detroit MI USA
3. Department of Immunology and Microbiology; Wayne State University School of Medicine; Detroit MI USA
4. Department of Obstetrics and Gynecology; University of Michigan; Ann Arbor MI USA
5. Department of Epidemiology and Biostatistics; Michigan State University; East Lansing MI USA
6. Center for Molecular Medicine and Genetics; Wayne State University; Detroit MI USA
7. Department of Pediatrics; Neonatology Division; Wayne State University School of Medicine; Detroit MI USA