1. Center for Tuberculosis Research, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
2. Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
3. Center for Infection and Inflammation Imaging Research, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
4. Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
5. The National Emerging Infectious Diseases Laboratory, Boston University School of Medicine, Boston, Massachusetts, USA
6. Department of Medicine, Pulmonary Center, Boston University School of Medicine, Boston, Massachusetts, USA