Ishii, Daisuke
Miyamoto, Kazutoshi
Hirasawa, Masatoshi
Miyagi, Hisayuki
Article History
Accepted: 6 November 2020
First Online: 3 January 2021
Compliance with ethical standards
:
: The authors declare no conflicts of interest associated with this manuscript.
: The authors hereby confirm that informed consent was obtained from all individual patients included in this study.
: All procedures performed involving human participants were in accordance with the ethical standards of the Clinical Research Center, Asahikawa Medical University, Japan and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.