1. First Department of Pathology Osaka City University Medical School, 1-4-3 Asahi-machi, Abeno-ku, Osaka 545-8585
2. Aburahi Laboratories, Shionogi Research Laboratories, Shionogi Co., Ltd., 1405 Koka-cho, Koka-gun, Shiga 520-3423
3. Laboratory of Radiochemistry, Gifu Pharmaceutical University, 6-1 Mitahora-higashi, 5-chome, Gifu 502-8585