Article History
Received: 25 June 2020
Accepted: 11 December 2020
First Online: 23 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was approved by the Ethics Committee of the Nozaki Tokushukai hospital (approval number TGE01015-002). The study was carried out in accordance with the Declaration of Helsinki, 1964.
: We obtained informed consent from all the patients prior to their participation in this study.