Funding for this research was provided by:
Japan Society for the Promotion of Science (16K11083)
Japan Society for the Promotion of Science (19K09752)
Received: 17 January 2020
Accepted: 26 May 2020
First Online: 1 June 2020
Ethics approval and consent to participate
: This research was approved by the Ethics Committee of Shiga University of Medical Science (IRB-ethics committee approval number, R2014–090).
: Informed written consent was obtained for publication.
: No author has any conflict of interest to disclose.