1. Institute of Cosmetic Sciences, Club Cosmetics Co. Ltd, 145-1 Ichibu-cho, Ikoma-shi, Nara 630-0222, Japan
2. Tezukayama Junior College, 3-1-3 Gakuen-minami, Nara 631-8585, Japan
3. Japan BCG Laboratory, 3-1-5 Matsuyama, Kiyose-shi, Tokyo 204-0022, Japan
4. Department of Host Defense, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka 545-8585, Japan