1. Department of Obstetrics and Gynecology, Division of Maternal Fetal Medicine, Loyola University Medical Center , Maywood, Illinois, USA
2. Loyola Genomics Facility, Stritch School of Medicine, Loyola University Chicago , Chicago, Illinois, USA
3. Department of Microbiology and Immunology, Stritch School of Medicine, Loyola University Chicago , Chicago, Illinois, USA