1. Departments of Medicine and Academic Affairs; National Jewish Health; Denver Colorado USA
2. Department of Medicine; University of Texas Medical Branch at Galveston; Galveston Texas USA
3. Division of Pulmonary Sciences and Critical Care Medicine; University of Colorado Anschutz Medical Campus; Denver Colorado USA
4. Mycobacteria Research Laboratories; Department of Microbiology, Immunology and Pathology; Colorado State University; Fort Collins Colorado USA
5. Department of Medicine; Denver Veterans Affairs Medical Center; Denver Colorado USA