Tsutsumi, Satoshi
Ono, Hideo
Ishii, Hisato
Yasumoto, Yukimasa
Article History
Received: 2 May 2019
Accepted: 1 July 2019
First Online: 8 July 2019
Compliance with ethical standards
:
: The authors have no conflict of interest to declare regarding the materials or methods used in this study or the findings presented in this paper.
: All procedures performed in the 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 involved participants included in the study.