1. University Research Company LLC Branch in Georgia, United States Agency for International DevelopmentGeorgia Tuberculosis Prevention Project, Tbilisi, Georgia.
2. Division of Epidemiology and Biostatistics, School of Public Health, Georgia State University, One Park Place NE, Atlanta, GA 30303, United States of America (USA).
3. Department of Medicine, Emory University School of Medicine, Atlanta, USA.
4. Gudushauri National Medical Centre, Tbilisi, Georgia.
5. School of Medicine, Johns Hopkins University, Baltimore, USA.