1. Department of Clinical Laboratory, Kuma Hospital, Kobe, Japan
2. Department of Diagnostic Pathology and Cytology, Kuma Hospital, Kobe, Japan
3. Department of Pathology, Clinical Research Center, National Hospital Organization Nagasaki Medical Center, Omura, Japan
4. Nagasaki Diagnostic Pathology Clinic, Nagasaki, Japan
5. Department of Surgery, Nagasaki Kamigoto Hospital, Minamimatsuura, Japan
6. Department of Surgery, Kuma Hospital, Kobe, Japan