Article History
Received: 25 July 2021
Accepted: 28 November 2021
First Online: 18 December 2021
Declarations
:
: All procedures performed in the present study were in accordance with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. In addition, the present study protocol was approved by the Ethics Committee of the Graduate School of Medicine of The University of Tokyo.
: Not applicable.
: The authors declare that they have no competing interests.