Received: 26 October 2020
Accepted: 22 March 2021
First Online: 31 March 2021
: This study was approved by The University of Tokyo’s institutional review board. All the study participants provided written informed consent, and all 60 patients gave their consent. This trial was registered in the UMIN Clinical Trial Registry (UMIN000017565 14/05/2015).
: Not applicable.
: The authors declare that they have no competing interests.