○Hong Wu¹, Shouichi Takayama¹, Shoichi Sakaguchi¹, Noritaka Iwai², Youichi Suzuki¹, Takashi Nakano¹ (¹Dept. Microbiology and Infection Control, Osaka Medical College, ²Grad. Sch. Bioscience and Biotechnology, Tokyo Institute of Technology)

○Nagatoshi Fujiwara¹, Shin Nakaya², Yuji Miyamoto³, Minoru Ayata⁴, Takashi Naka¹, Shinji Maeda⁵ (¹Tezukayama Univ., ²Otemae College of Nutrition, Dept Nutrition, ³Leprosy Research Center, National Institute of Infectious Diseases, ⁴Osaka City Univ. Grad. Sch. Medicine, Dept. Virology, ⁵Hokkaido Univ. of Science, Fac. Pharmacy)