1. Pregnancy Research Branch, Division of Obstetrics 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, Maryland, USA
2. Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan, USA
3. Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, Michigan, USA
4. Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, USA
5. Department of Biochemistry, Microbiology, and Immunology, Wayne State University School of Medicine, Detroit, Michigan, USA
6. Center for Molecular Medicine and Genetics, Wayne State University School of Medicine, Detroit, Michigan, USA
7. Biostatistics and Bioinformatics Branch, National Institute of Child Health and Human Development, Bethesda, Maryland, USA
8. Division of Obstetrics and Gynecology, School of Medicine, Faculty of Medicine, Pontificia Universidad Catolica de Chile, Santiago, Chile
9. Department of Physiology, Wayne State University School of Medicine, Detroit, Michigan, USA
10. Department of Obstetrics and Gynecology, Busan Paik Hospital, Inje University College of Medicine, Busan, Republic of Korea
11. Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, Maryland, USA
12. Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, Maryland, USA
13. Department of Computer Science, Wayne State University College of Engineering, Detroit, Michigan, USA