1. Department of Pharmacology; Fukuoka University; Fukuoka Fukuoka 814-0180 Japan
2. Department of Drug Information, School of Pharmaceutical Science; Fukuoka University; Fukuoka Fukuoka 814-0180 Japan
3. Second Department of Surgery; Fukuoka University; Fukuoka Fukuoka 814-0180 Japan
4. First Department of Internal Medicine, School of Medicine; Fukuoka University; Fukuoka Fukuoka 814-0180 Japan
5. Torrey Pines Institute for Molecular Studies; San Diego CA92121 U.S.A.
6. Department of Biodefense Medicine; Nagoya City University Graduate School of Medical Sciences; Nagoya 467-8601 Japan