1. Division of Pulmonary and Critical Care, University of Illinois, Chicago, USA
2. Department of Mycobacteriology, National Research Center of Tuberculosis and Lung Disease, Shahid Beheshti University of Medical Sciences, Tehran, Iran
3. Division of Pulmonary and Critical Care, University of Emory, Atlanta, GA, USA
4. Divisions of Clinical Microbiology and Infectious Diseases, Departments of Laboratory Medicine and Internal Medicine, National Taiwan University College of Medicine, Taipei, Taiwan
5. Department of Health Science, University of Milano-Bicocca, San Gerardo Hospital, Via Pergolesi 33, 20900 Monza, Italy