1. Institute of Animal Experimentation, Kurume University School of Medicine, 67 Asahi-machi, Kurume 830-0011, Japan
2. Institute of Laboratory Animal Sciences, Faculty of Medicine, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima 890-8520, Japan
3. Department of 1st Internal Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume 830-0011, Japan
4. Central Research Laboratories, Shimane Medical University, 89-1 Enya-cho, Izumo 693-0021, Japan
5. Department of Surgery, Kurume University School of Medicine, 67 Asahi-machi, Kurume 830-0011, Japan