Matsuoka, Katsunari http://orcid.org/0000-0001-7067-0200
Yamada, Tetsu
Matsuoka, Takahisa
Nagai, Shinjiro
Ueda, Mitsuhiro
Miyamoto, Yoshihiro
Article History
Received: 8 July 2019
Revised: 11 August 2019
Accepted: 1 September 2019
First Online: 15 October 2019
Compliance with ethical standards
:
: The authors declare that they have 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. For this type of study, formal consent is not required.