1. Department of Gastroenterological Surgery, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
2. Project for Development of Innovative Research on Cancer Therapeutics, Cancer Precision Medicine Center, Japanese Foundation for Cancer Research, Tokyo, Japan
3. Project for Development of Genomics-Based Cancer Medicine, Cancer Precision Medicine Center, Japanese Foundation for Cancer Research, Tokyo, Japan
4. Division of Pathology, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan
5. Department of Colon and Rectal Surgery, The University of Texas MD Anderson Cancer Center, Houston
6. Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan