Received: 24 July 2021
Accepted: 11 September 2021
First Online: 27 September 2021
: This study was approved by the institutional review board of Tokyo University Hospital. All the patients in this study provided with written, informed consent prior to participation. All the methods were performed in accordance with relevant guidelines and regulations.
: All authors agree to the publication of this article.
: The authors declare that they have no competing interests.