Fujihara, Fumiaki
Kim, Kyongsong
Kokubo, Rinko
Isu, Toyohiko
Miki, Koichi
Morimoto, Daijiro
Iwamoto, Naotaka
Inoue, Tooru
Morita, Akio
Article History
Received: 20 March 2020
Accepted: 10 May 2020
First Online: 15 May 2020
Compliance with ethical standards
:
: The 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.Our study was approved by the institutional ethics committee of Chiba Hokuso Hospital.
: Informed consent was obtained from all individuals included in this study.