Yatabe, Tomoaki https://orcid.org/0000-0002-3522-6857
Karashima, Takashi
Kume, Motohiko
Kawanishi, Yu
Fukuhara, Hideo
Ueba, Tetsuya
Inoue, Keiji
Okuhara, Yoshiyasu
Yokoyama, Masataka
Article History
Received: 2 March 2020
Accepted: 30 April 2020
First Online: 12 May 2020
Ethics approval and consent to participate
: The study was carried out with the approval of the ethics committee of Kochi Medical School Hospital (No. 2019-062).
: Since this was a retrospective study, the need for obtaining informed consent from patients was waived.
: The authors declare that they have no competing interests.