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Authors
Sakurai, Tsuyoshi https://orcid.org/0000-0001-9242-537X
Hashimoto, Masatoshi
Nakamura, Megumi
Endo, Naobumi
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Article History
Received: 30 September 2021
Accepted: 1 December 2021
First Online: 3 March 2022
Declarations
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: This study was approved by the ethics committee of Miyagi Children’s Hospital. Written informed consent was not required, as this was a retrospective study using de-identified data.
: Not applicable
: The authors declare that they have no competing interests.
