Funding for this research was provided by:
This work was supported by JSPS KAKENHI (Grant No.17K10659.)
Received: 11 February 2020
Accepted: 21 September 2020
First Online: 25 September 2020
Ethics approval and consent to participate
: The Institutional Review Research Committee for Human Subjects at Kurume University Hospital approved the study (no. 18197) prior to data collection. Written informed consent was obtained from each of the patients prior to enrollment in this study. All procedure followed were in accordance with the Helsinki Declaration of 1975, as revised in 2008. This study is a retrospective analysis, it did not include any human trial. Patients who did not receive informed consent were excluded from this study.
: Not applicable.
: The authors declare that they have no competing interests.