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Authors
Hori, Mayuko https://orcid.org/0000-0002-6104-0204
Yasuda, Kaoru
Takahashi, Hiroshi
Matsuoka, Yutaka
Tsujita, Makoto
Nishihira, Morikuni
Uchida, Kazuharu
Morozumi, Kunio
Maruyama, Shoichi
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Article History
Received: 4 February 2022
Accepted: 6 March 2022
First Online: 18 March 2022
Declarations
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: Mayuko Hori, Kaoru Yasuda, Hiroshi Takahashi, Yutaka Matsuoka, Makoto Tsujita, Morikuni Nishihira, Kazuharu Uchida, Kunio Morozumi, and Shoichi Maruyama declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. This study was approved by Masuko Memorial Hospital Ethics Committee (Ethics approval number: MR3-2).
: Due to the retrospective nature of the study, the need for obtaining written informed consent was waived. We showed the information about the retrospective study at the website of our hospital and gave the patients the opportunity to opt out.
