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Authors
Iwasawa, Takuya
Takahashi, Toshifumi
Maeda, Eri
Ishiyama, Koichi
Takahashi, Satoshi
Suganuma, Ryota
Matsuo, Koki
Tachibana, Masahito
Fukuhara, Rie
Shirasawa, Hiromitsu
Sato, Wataru
Kumazawa, Yukiyo
Terada, Yukihiro
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Article History
Received: 19 December 2020
Accepted: 19 May 2021
First Online: 4 June 2021
Declarations
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: This study was conducted with the approval of the Ethical Committee of Akita University Graduate School of Medicine and Faculty of Medicine (Approval number: 1596), Hirosaki University Graduate School of Medicine (Approval number: 2017 − 1043), Tohoku University School of Medicine (Approval number: 2018-1-624), Yamagata University Faculty of Medicine (Approval number: 2021-58), and Fukushima Medical University School of Medicine (Approval number: 29325). The ethics committees waived the requirement for informed consent because we reviewed anonymous data.
: Not applicable.
: The authors declare that they have no competing interests.
