Kumagai, Shogo
Arita, Machiko
Koyama, Takashi
Kumazawa, Takao
Inoue, Daiki
Nakagawa, Atsushi
Kaji, Yusuke
Furuta, Kenjiro
Fukui, Motonari
Tomii, Keisuke
Taguchi, Yoshio
Tomioka, Hiromi
Ishida, Tadashi
Article History
Received: 9 June 2017
Accepted: 14 February 2019
First Online: 21 February 2019
Ethical approval and consent to participate
: The Ethics Committees of the five participating institutions (Kurashiki Central Hospital, Kitano Hospital, Kobe City Medical Center General Hospital, Tenri Hospital, Kobe City Medical Center West Hospital) approved the present study (IRB number:2025). The need for obtaining informed consent from each patient was waived due to a retrospective observational nature of this study.
: Tadashi Ishida has received honoraria from Pfizer Japan Inc. The other authors have no conflict of interest.
: In this manuscript, images are entirely unidentifiable and there are no reported details on individuals.
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