1. Department of Medicine and Bioregulatory Science Pathological Sciences Graduate School of Medical Sciences Kyushu University Fukuoka Japan
2. Department of Gastroenterology Kyushu Rosai Hospital Fukuoka Japan
3. Department of Gastroenterology Kyushu Medical Center Fukuoka Japan
4. Department of Anatomic Pathology Kyushu Rosai HospitalFukuoka Japan
5. Department of Anatomic Pathology Pathological Sciences Graduate School of Medical Sciences Kyushu University Fukuoka Japan