1. Division of Infectious Diseases, Department of Medicine, Stony Brook University, Stony Brook, New York, USA
2. Department of Microbiology and Immunology, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York, USA
3. Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, New York, USA
4. Division of Infectious Diseases, Department of Medicine, Albert Einstein College of Medicine, Bronx, New York, USA
5. Veterans Administration Medical Center, Northport, New York, USA