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Authors
Hadano, Yoshiro https://orcid.org/0000-0002-6873-3791
Matsumoto, Takanori
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Article History
Received: 3 April 2018
Accepted: 9 December 2018
First Online: 19 December 2018
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board (IRB) of St. Mary’s Hospital (No. 17–0201). The requirement to obtain written consent from all participants was waived by the IRB because of the study’s observational nature without any deviation from the current medical practice.
: 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.
