Affiliation: | 1. Department of Thoracic Oncology, National Cancer Center Hospital, 5-1-1, Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan 2. Department of Gastrointestinal Oncology, National Cancer Center Hospital, 5-1-1, Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan 3. Pharmaceutical Research and Development Department, Yakult Honsha Co., Ltd., 16-21, Giza 7-chome, Chuo-ku, Tokyo, 104-0061, Japan
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