Yamashita, Shimpei http://orcid.org/0000-0001-7402-6164
Kohjimoto, Yasuo
Iguchi, Takashi
Nishizawa, Satoshi
Kikkawa, Kazuro
Hara, Isao
Article History
Received: 13 February 2019
Accepted: 18 August 2019
First Online: 23 August 2019
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest. No competing financial interests exist
: 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.