Received: 30 July 2021
Accepted: 8 October 2021
First Online: 20 October 2021
: A written informed consent to participate in the study was obtained from each subject in accordance with the declaration of Helsinki principles. Each patient or the patient’s family was fully informed of the investigational nature of this study and provided their written, informed consent. The study protocol was approved by the Ethics Committee of Osaka City University (approve number #926).
: Not applicable.
: The authors declare that they have no competing interests.