1. Department of Molecular Health Sciences, Graduated School of Pharmaceutical Sciences, Nagoya City University, Nagoya, Aichi, Japan
2. Japan BCG Laboratory, Kiyose, Tokyo, Japan
3. Department of Mycobacterium Reference and Research, Research Institute of Tuberculosis, Japan Anti-Tuberculosis Association, Kiyose, Tokyo, Japan
4. Department of Safety Research on Blood and Biological Products, National Institute of Infectious Diseases, Musashimurayama, Tokyo, Japan
5. Department of Oral Microbiology, Graduated School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan