Funding for this research was provided by:
Japan Society for the Promotion of Science (20K09242)
Received: 7 January 2021
Revised: 20 March 2021
Accepted: 29 March 2021
First Online: 1 April 2021
: This study was approved by the ethics committee of Kyoto University Hospital (approval number: R2647), and the requirement for informed consent was waived.
: Not applicable.
: The authors declare that they have no competing interests.