Received: 25 February 2022
Accepted: 28 April 2022
First Online: 12 May 2022
: This was a retrospective study conducted with the approval of the ethics committee of the University of Tokyo (No. 3372-6). Informed consent was obtained by receiving patients’ answer to the questionnaire.
: Patients gave written consent for data collection and analysis.
: The authors declare that they have no competing interests in association with this study.