1. Department of Pathology Nippon Veterinary and Life Science University Tokyo Japan
2. Department of Gastrointestinal Surgery Graduate School of Medicine The University of Tokyo Tokyo Japan
3. Department of Immunotherapeutics The University of Tokyo Hospital Tokyo Japan
4. Department of Surgery Nippon Medical School Tokyo Japan
5. Institute of Immunology Co., Ltd Utsunomiya Laboratory Genetic Modified Animal Group Utsunomiya Japan
6. Department of Surgery and the Epithelial Biology Center Vanderbilt University School of Medicine Nashville VA Medical Center Nashville TN USA
7. Tatematsu Clinic Nagoya Japan
8. Department of Pathology Graduate School of Medicine Fujita Health University Toyoake Japan