Kokubo, Rinko
Kim, Kyongsong
Isu, Toyohiko
Morimoto, Daijiro
Iwamoto, Naotaka
Morita, Akio
Article History
Received: 23 September 2019
Accepted: 13 January 2020
First Online: 21 January 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All applied procedures were in accordance with the ethical standards of the institutional and/or national research committee and complied with the 1964 Helsinki declaration and its later amendments or with comparable ethical standards.
: Informed consent was obtained from all individuals included in this study.