1. Perinatology Research BranchProgram for Perinatal Research and ObstetricsDivision of Intramural ResearchEunice Kennedy Shriver National Institute of Child Health and Human DevelopmentNICHD/NIH/DHHSBethesda, Maryland, and Detroit Michigan USA
2. Department of Obstetrics and GynecologyWayne State University School of Medicine Detroit Michigan USA
3. Department of Immunology, Microbiology and BiochemistryWayne State University School of Medicine Detroit Michigan USA
4. Department of Obstetrics and GynecologyUniversity of Michigan Ann Arbor Michigan USA
5. Department of Epidemiology and BiostatisticsMichigan State University East Lansing Michigan USA
6. Center for Molecular Medicine and GeneticsWayne State University Detroit Michigan USA
7. Facultad de MedicinaUNAMBranch at Instituto Nacional de Medicina Genomica Mexico City Mexico
8. Department of PhysiologyWayne State University School of Medicine Detroit Michigan USA