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Authors
Oka, Satoko
Ono, Kazuo
Nohgawa, Masaharu
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Article History
Received: 15 December 2019
Accepted: 17 January 2020
First Online: 22 January 2020
Compliance with ethical standards
:
: Satoko Oka declares that she has no conflict of interest. Kazuo Ono declares that he has no conflict of interest. Masaharu Nohgawa declares that he has no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from the patient.
