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Authors
Matsuoka, Hiroyasu https://orcid.org/0000-0002-7850-5258
Matsubara, Hirochika
Onuki, Yuichiro
Uchida, Tsuyoshi
Nakajima, Hiroyuki
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Article History
Received: 7 March 2021
Accepted: 15 April 2021
First Online: 26 April 2021
Declarations
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: All authors have completed the Conflict-of-Interest Disclosure Statement form. The authors have no conflicts of interest to declare.
: The authors are accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. The study was conducted in accordance with the Declaration of Helsinki (as revised in 2013). The study was approved by the Ethics Committee of our University (No. 224), and individual consent for this retrospective analysis was waived.
