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Authors
Tamura, Koji
Umemura, Yoshiro
Hijioka, Susumu
Date, Kenjiro
Maehara, Naoki
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Article History
Received: 6 January 2019
Accepted: 27 February 2019
First Online: 4 March 2019
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest.
: All procedures followed have been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: Informed consent was obtained from the patient for being included in the study.
