Japanese Red Cross Medical Center, Nihon University - School of Medicine, National Cancer Center Hospital East, National Cancer Centre Hospital, Hiroshima University - Hiroshima University Hospital, Juntendo University, Tokyo Medical University, Osaka City General Hospital, National Hospital Organization Kyushu Cancer Center, Shizuoka Cancer Center, Niigata Cancer Center Hospital, Kanazawa University, National Hospital Organization Shikoku Cancer Center, Kumamoto Chuo Hospital, Kyoto University, National Hospital Organization Sendai Medical Center, National Hospital Organization Kure Medical Center, Kurashiki Central Hospital, National Cancer Center Hospital, Keio University and Independent