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Authors
Ikeda, Tomohiro
Noma, Kazuhiro https://orcid.org/0000-0002-5584-3908
Maeda, Naoaki
Tanabe, Shunsuke
Sakamoto, Yoko
Katayama, Yoshimi
Shirakawa, Yasuhiro
Fujiwara, Toshiyoshi
Senda, Masuo
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Article History
Received: 27 May 2021
Accepted: 8 November 2021
First Online: 5 January 2022
Declarations
:
: We have no conflicts of interest to declare.
: This study was approved by the Ethics Committee of Okayama University Hospital (approval number 2009-042), and was conducted following the ethical standards of the responsible committee on human experimentation (institutional and national) and in accordance with the Declaration of Helsinki of 1964 and its later versions. The retrospective nature of the study allowed the need for informed consent to be waived.
