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Authors
Ueno, Ryo
Shiraishi, Atsushi https://orcid.org/0000-0002-9192-625X
Yamamoto, Ryohei
Kobara, Seibi
Hayashi, Yoshiro
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Article History
Received: 30 January 2019
Accepted: 26 April 2019
First Online: 21 May 2019
Ethics approval and consent to participate
: This study was reviewed and approved by the Kameda Medical Center’s Institutional Review Board. The committee waived the requirement for informed consent due to the retrospective design of the study.
: Not applicable
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
