| Authors: |
Hirakawa M; Division of Medical Oncology, Department of Internal Medicine, Sapporo Medical University School of Medicine, South 1, West 16, Chuo-ku, Sapporo, Hokkaido, 060-8543, Japan. mhirakawa@sapmed.ac.jp., Sagawa T; Department of Gastroenterology, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan., Okagawa Y; Division of Medical Oncology, Department of Internal Medicine, Sapporo Medical University School of Medicine, South 1, West 16, Chuo-ku, Sapporo, Hokkaido, 060-8543, Japan., Suzuki N; Division of Medical Oncology, Department of Internal Medicine, Sapporo Medical University School of Medicine, South 1, West 16, Chuo-ku, Sapporo, Hokkaido, 060-8543, Japan., Fujikawa K; Department of Gastroenterology, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan., Takada K; Division of Medical Oncology, Department of Internal Medicine, Sapporo Medical University School of Medicine, South 1, West 16, Chuo-ku, Sapporo, Hokkaido, 060-8543, Japan. |