1. Showa University Northern Yokohama Hospital, Yokohama, Japan (Y.M., S.K., M.M., F.U., S.K., Y.O., Y.M., K.T., H.N., K.I., T.K., T.H., K.W., F.I.)
2. National Cancer Center Hospital, Tokyo, Japan (Y.S.)
3. National Cancer Center Hospital East, Kashiwa, Japan (H.I.)
4. Shizuoka Cancer Center, Shizuoka, Japan (K.H.)
5. Tokyo Medical and Dental University, Tokyo, Japan (K.O.)
6. Showa University Koto-Toyosu Hospital, Tokyo, Japan (H.I.)
7. Nagoya University, Nagoya, Japan (H.I., M.O., K.M.)