Funding for this research was provided by:
Center of Innovation Program (100160700002)
Received: 20 September 2020
Accepted: 19 February 2021
First Online: 18 March 2021
Ethics approval and consent to participate
: The Kyoto University Ethics Committee approved the study (R1593). Study aims and procedures were explained to all participants, who were ensured that they were permitted to withdraw from the study at any time. Written informed consent was obtained from each participant.
: Not applicable.
: The authors have no conflicts of interest to declare.