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Authors
Sakurai, Tsuyoshi
Nakamura, Megumi
Endo, Naobumi
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Article History
Accepted: 1 August 2021
First Online: 30 August 2021
Declarations
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: The authors declare that they have no conflicts of interest.
: This study was approved by the ethics committee of Miyagi Children’s Hospital (Approval No.512) and has, therefore, been performed in accordance with the ethical standards laid down in the Declaration of Helsinki, 1964 and its later amendments.
: Written informed consent was not required as this was a retrospective study with de-identified data.
