1. Department of Human Pathology Juntendo University School of Medicine Tokyo Japan
2. Intractable Disease Research Center Juntendo University, Graduate School of Medicine Tokyo Japan
3. Department of Gastroenterology Juntendo University School of Medicine Tokyo Japan
4. Department of Orthopaedic Surgery Juntendo University School of Medicine Tokyo Japan
5. Department of General Thoracic Surgery Juntendo University School of Medicine Tokyo Japan