1. Division of Infectious Diseases and International Health, University of Virginia, Charlottesville, Virginia, USA.
2. Department of Epidemiology and Microbiology, Scientific Centre for Family Health and Human Reproduction Problems, Irkutsk, Russian Federation.
3. Irkutsk Regional Tuberculosis Referral Hospital, Irkutsk, Russian Federation.
4. Irkutsk Regional AIDS Centre, Irkutsk, Russian Federation.