1. Department of Microbiology and Immunology, University at Buffalo, Buffalo, New York, USA
2. Clinical and Translational Research Center, University at Buffalo, Buffalo, New York, USA
3. Division of Infectious Diseases, Department of Medicine, University at Buffalo, Buffalo, New York, USA
4. Department of Biostatistics, Yale School of Public Health, Yale University, New Haven, Connecticut, USA
5. W. M. Keck Foundation Biotechnology Resource Laboratory, Yale School of Medicine, Yale University, New Haven, Connecticut, USA
6. Department of Epidemiology of Microbial Diseases, Yale School of Public Health, Yale University, New Haven, Connecticut, USA
7. Institute for Genome Sciences, Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, Maryland, USA