1. Departments of Pathology and Clinical Research, National Kyushu Medical Center Hospital, Fukuoka
2. Departments of Pathology, Fukuoka University, Fukuoka
3. Internal Medicine, Fukuoka University, Fukuoka
4. Dermatology, School of Medicine, Fukuoka University, Fukuoka
5. Department of Hematology, National Hospital Kyushu Cancer Center, Fukuoka
6. Department of Pathology, Hiroshima General Hospital, Hiroshima
7. Department of Internal Medicine, Kokura Memorial Hospital, Kitakyushu, Kyushu University, Fukuoka, Japan
8. Department of Internal Medicine, Faculty of Medicine, Kyushu University, Fukuoka, Japan