1 Departments of Medicine and Microbiology, New York University Langone Medical Center, New York, New York, United States of America.
2 Departments of Medicine and Microbiology, New York University Langone Medical Center, New York, New York, United States of America; VA Medical Center, New York, New York, United States of America; Department of Biology, New York University, New York, New York, United States of America.