Magee-Womens Research Institute, Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh, Pittsburgh, PA, 15213 USA, Womens Health Integrated Research Center at Inova Health System, Annandale, VA, 22003 USA and Department of Microbiology and Molecular Genetics, University of Pittsburgh, Pittsburgh, PA, 15213 USA.|Magee-Womens Research Institute, Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh, Pittsburgh, PA, 15213 USA, Womens Health Integrated Research Center at Inova Health System, Annandale, VA, 22003 USA and Department of Microbiology and Molecular Genetics, University of Pittsburgh, Pittsburgh, PA, 15213 USA.|Magee-Womens Research Institute, Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh, Pittsburgh, PA, 15213 USA, Womens Health Integrated Research Center at Inova Health System, Annandale, VA, 22003 USA and Department of Microbiology and Molecular Genetics, University of Pittsburgh, Pittsburgh, PA, 15213 USA.|Magee-Womens Research Institute, Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh, Pittsburgh, PA, 15213 USA, Womens Health Integrated Research Center at Inova Health System, Annandale, VA, 22003 USA and Department of Microbiology and Molecular Genetics, University of Pittsburgh, Pittsburgh, PA, 15213 USA.|Magee-Womens Research Institute, Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh, Pittsburgh, PA, 15213 USA, Womens Health Integrated Research Center at Inova Health System, Annandale, VA, 22003 USA and Department of Microbiology and Molecular Genetics, University of Pittsburgh, Pittsburgh, PA, 15213 USA Magee-Womens Research Institute, Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh, Pittsburgh, PA, 15213 USA, Womens Health Integrated Research Center at Inova Health System, Annandale, VA, 22003 USA and Department of Microbiology and Molecular Genetics, University of Pittsburgh, Pittsburgh, PA, 15213 USA.