Received: 19 April 2021
Accepted: 11 September 2021
First Online: 27 September 2021
: This study complied with the ethical standards of the Declaration of Helsinki (1964) and its subsequent amendments and was approved by the Ethics Review Committees of Ebina General Hospital and Zama General Hospital (No. 207). Each patient provided written informed consent to participate in this study.
: Not applicable.
: The authors declare that they have no competing interests.