Miyamoto, Kazuya
Matsumoto, Kazuyuki http://orcid.org/0000-0002-5102-7452
Kato, Hironari
Yoshida, Ryuichi
Umeda, Yuzo
Inoue, Hirohumi
Tanaka, Takehiro
Matsumi, Akihiro
Saragai, Yosuke
Fujii, Yuki
Yamazaki, Tatsuhiro
Uchida, Daisuke
Tomoda, Takeshi
Horiguchi, Shigeru
Yagi, Takahito
Okada, Hiroyuki
Article History
Received: 1 April 2020
Accepted: 22 September 2020
First Online: 29 September 2020
Ethics approval and consent to participate
: This retrospective study was approved by the Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences and Okayama University Hospital, Ethics Committee review board for human research (Approved number: 1904–028). Only medical record was analyzed in this study. Instead of written or verbal informed consent to participate, this study guaranteed the opportunity of participation refusal by disclose information about this study on our institution homepage (opt-out methods). The opt-out method of consent was approved by the Ethics Committee in our hospital.
: Not applicable.
: The authors declare that they have no conflicts of interests.