Edo, Naoki
Morita, Koji
Sakamoto, Miki
Kaminaga, Tatsuro
Edo, Hiromi
Okamura, Erina
Ogawa, Masumi
Tsukamoto, Kazuhisa
Okinaga, Hiroko
Ishikawa, Toshio
Article History
Received: 1 August 2018
Accepted: 3 October 2018
First Online: 16 October 2018
Ethics approval and consent to participate
: The study was approved by the institutional review board of Teikyo University Hospital, Japan (18–036). All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. The need for written informed consent was waived.
: Not applicable
: The authors declare that they have no competing interests.
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