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Authors
Okamoto, Soshi
Ishii, Masaki
Hibi, Shinichiro
Akishita, Masahiro
Yamaguchi, Yasuhiro
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Funding
Funding for this research was provided by:
Grants-in-aid for Scientific Research from the Ministry of Education, Culture, Sports, Science, and Technology of Japan (18K07440)
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Article History
Received: 29 October 2020
Revised: 11 April 2021
Accepted: 12 May 2021
First Online: 29 June 2021
Declarations
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: 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.
: Given the retrospective nature of the study and the use of anonymized patient data, formal consent is not required.
: The authors declare no competing interests.
: The sponsor had no role in the design of the study, the collection and analysis of the data, or the preparation of the manuscript.
