Fujihara, Fumiaki http://orcid.org/0000-0002-0539-6273
Isu, Toyohiko
Kim, Kyongsong
Sakamoto, Kimiya
Matsumoto, Juntaro
Miki, Koichi
Ito, Masaki
Isobe, Masanori
Inoue, Tooru
Article History
Received: 11 May 2020
Accepted: 7 December 2020
First Online: 6 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: All procedures 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 Kushiro Rosai Hospital.
: Informed consent was obtained from all patients included in this study.