Nonaka, Yukiko http://orcid.org/0000-0003-4897-2207
Hiramatsu, Kazuhiro
Kato, Takehito
Shibata, Yoshihisa
Yoshihara, Motoi
Aoba, Taro
Kamiya, Tadahiro
Article History
Received: 21 April 2018
Accepted: 13 November 2018
First Online: 22 November 2018
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.