Ishii, Yoshinori
Noguchi, Hideo
Sato, Junko
Ishii, Hana
Ezawa, Nobukazu
Toyabe, Shin-ichi
Article History
Received: 17 May 2018
Accepted: 5 October 2018
First Online: 13 October 2018
Compliance with ethical standards
:
: All authors declare that they have no conflicts 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 all individual participants included in the study.