Tokudome, Nahomi
Koh, Yasuhiro
Akamatsu, Hiroaki
Fujimoto, Daichi
Okamoto, Isamu
Nakagawa, Kazuhiko
Hida, Toyoaki
Imamura, Fumio
Morita, Satoshi
Yamamoto, Nobuyuki
Article History
Received: 13 March 2019
Accepted: 31 January 2020
First Online: 6 February 2020
Ethics approval and consent to participate
: The study protocol was approved by the Research Ethics Committee of Wakayama Medical University (Reference number: 1558), and its members were as follows: Yoshito Ihara; Seiji Makino; Shigemitsu Takeyama; Shinichi Murata; Tatsuya Takeshita; Takashi Akamizu; Nobuyuki Yamamoto; Yoshi Tsukiyama; Tsukasa Hotta; Koichi Nakanishi; Mariko Shikamura; Masako Miyajima; Akihiko Iwahara; Toshimi Matsubara; Mitsuko Okamoto; Aiko Kitano. All participating centers in alphabetical order are listed as follows: Aichi Cancer Center; Gifu Municipal Hospital; Institute of Biomedical Research and Innovation; Izumi Municipal Hospital; Japanese Red Cross Okayama Hospital; Kindai University; Kishiwada City Hospital; Kobe University Hospital; Kobe City Medical Center General Hospital; Kurashiki Central Hospital; Kurume University Hospital; Kyushu University; Nagoya City University Hospital; National Hospital Organization Kyushu Cancer Center; National Hospital Organization Nagoya Medical Center; Osaka City General Hospital; Osaka International Cancer Institute; Osaka Medical College Hospital; Wakayama Medical University. The protocol was also approved by the ethics committees of all participating centers. The study was conducted according to the Declaration of Helsinki. Written informed consent was obtained from all patients.
: Not applicable.
: NT has no conflict of interests to declare. YK receives honoraria and research funding from Nippon Boehringer Ingelheim. HA receives honoraria and research funding from Boehringer Ingelheim, DF receives honoraria from Boehringer Ingelheim. IO receives research grant and honoraria from Boehringer Ingelheim. KN reports research funding, honoraria and consulting or advisor role from Nippon Boehringer Ingelheim Co., Ltd. TH reports receiving research grant and personal fees from Nippon Boehringer Ingelheim. FI receives honoraria and research funding from Boehringer Ingelheim. SM receives research grant and honoraria from Boehringer Ingelheim. NY receives research grant and personal fees from Boehringer Ingelheim.