We thank Megumi Miyazawa, Kumiko Yanagida, Harumi Kaba for data management. The study was supported in part by the National Cancer Center Research and Development Funds (23-A-16, 23-A-19, 26-A-4, 29-A-3, 2020-J-3, 2023-J-03) and by AMED under Grant Number JP17ck0106322. Participating Institutions (59 institutions) are Hakodate Goryoukaku Hospital, Keiyukai Sapporo Hospital, Iwate Medical University, National Hospital Organization, Sendai Medical Center, Miyagi Cancer Center, Yamagata Prefectural Central Hospital, Tochigi Cancer Center, National Defense Medical College, Saitama Cancer Center, Saitama Medical University International Medical Center, National Cancer Center Hospital East, Chiba Cancer Center, National Cancer Center Hospital, Tokyo Metropolitan Cancer and Infectious diseases Center Komagome Hospital, Tokyo Medical and Dental University Hospital, Cancer Institute Hospital of Japanese Foundation for Cancer Research, Toranomon Hospital, Tokyo Metropolitan Bokutoh Hospital, Kanagawa Cancer Center, Kitasato University School of Medicine, Yokohama City University Medical Center, Niigata Cancer Center Hospital, Nagaoka Chuo General Hospital, Toyama Prefectural Central Hospital, Ishikawa Prefectural Central Hospital, Gifu University School of Medicine, Gifu Municipal Hospital, Shizuoka General Hospital, Shizuoka Cancer Center, Aichi Cancer Center Hospital, Nagoya University School of Medicine, National Hospital Organization Kyoto Medical Center, Kyoto Second Red Cross Hospital, Osaka University Graduate School of Medicine, Kindai University Faculty of Medicine, Osaka International Cancer Institute, Osaka National Hospital, Osaka General Medical Center, Osaka Medical College, Toyonaka Municipal Hospital, Sakai City Medical Center, Kansai Medical University Hospital, Osaka Rosai Hospital, Kobe University Graduate School of Medicine, Kansai Rosai Hospital, Hyogo College of Medicine, Hyogo Cancer Center, Itami City Hospital, Tenri Hospital, Wakayama Medical University, School of Medicine, Shimane University Faculty of Medicine, Okayama University Hospital, Hiroshima University Hospital, Hiroshima City Hospital, Hiroshima City Asa Hospital, Fukuyama City Hospital, Tokushima Red Cross Hospital, National Hospital Organization Shikoku Cancer Center, Oita University Faculty of Medicine. Please see the appendix including each site from which patients were recruited, the name of principal investigator responsible for this site, and the number of patients which were recruited from that particular site.