1. Translational Research Division, International Vaccine Institute, Seoul, Korea.
2. Department of Technical Cooperation, Korean Institute of Tuberculosis, Seoul, Korea.
3. Department of Microbiology, Institute of Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, Korea.
4. Department of Immunology and Infection, London School of Hygiene and Tropical Medicine, London, UK.
5. Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, UK.