1. Perinatology Research Branch; NICHD/NIH/DHHS; Bethesda MD, and Detroit, MI USA
2. Department of Obstetrics & Gynecology; Wayne State University School of Medicine; Detroit MI USA
3. Department of Immunology & Microbiology; Wayne State University School of Medicine; Detroit MI USA
4. Department of Obstetrics & Gynecology; University of Michigan; Ann Arbor MI USA
5. Department of Epidemiology & Biostatistics; Michigan State University; East Lansing MI USA
6. Center for Molecular Obstetrics & Genetics; Wayne State University; Detroit MI USA
7. Department of Molecular Biomedicine; CINVESTAV; Mexico City Mexico
8. Unit of Vinculation; Faculty of Medicine; Universidad Nacional Autónoma de México en el Instituto Nacional de Medicina Genómica; Mexico City Mexico