1. Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, Maryland, USA
2. Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, Maryland, USA
3. Biostatistics, Biomathematics, Pharmacoepidemiology and Infectious Diseases, Institut Pasteur, INSERM, Université de Versailles-Saint-Quentin-en-Yvelines, Versailles, France
4. Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
5. Department of Obstetrics and Gynecology, University of Maryland School of Medicine, Baltimore, Maryland, USA
6. Department of Epidemiology and Public Health, University of Maryland School of Medicine, Baltimore, Maryland, USA
7. Department of Biological Sciences, University of Idaho, Moscow, Idaho, USA
8. Department of Microbial Pathogenesis, University of Maryland School of Dentistry, Baltimore, Maryland, USA