1 Department of Tuberculosis, Clinical Immunology and Allergy, National Pirogov Memorial Medical University, Vinnytsia, Ukraine.
2 State University of Medicine and Pharmacy 'Nicolae Testemitanu', Chisinau, Republic of Moldova.
3 Division of Clinical Infectious Diseases, Research Center Borstel, German Center for Infection Research, Clinical Tuberculosis Center, Borstel, Germany; International Health/Infectious Diseases, University of Lübeck, Lübeck, Germany; Department of Medicine, Karolinska Institute, Stockholm, Sweden. clange@fz-borstel.de.