1. Department of Bacteriology, Yokohama City University School of Medicine, Yokohama 236-0004, Japan
2. Division of Genetic Therapeutics, Center for Molecular Medicine, Jichi Medical School, Tochigi-ken 329-0498, Japan
3. Department of Pathology, Yokohama City University School of Medicine, Yokohama 236-0004, Japan
4. Department of Bioregulation, Leprosy Research Center, National Institute of Infectious Diseases, Tokyo 189-0002, Japan
5. Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Bethesda, MD 20892