1. BCG Laboratory, BulBio-National Center of Infectious and Parasitic Diseases, 26, Yanko Sakazov Blvd. 1504 Sofia, Bulgaria
2. Bacterial Microarray Group, Department of Cellular and Molecular Medicine, St. George's Hospital Medical School, London SW17 0RE, United Kingdom
3. TB Research Group, Veterinary Laboratories Agency (Weybridge), New Haw, Addlestone, Surrey, KT15 3NB, United Kingdom