Received: 1 July 2020
Accepted: 19 November 2020
First Online: 27 November 2020
Ethics approval and consent to participate
: Ethics were approved by the institutional review board of the Mie University Hospital (Tsu, Mie, Japan; IRB reference number: H2020–028). Written or oral informed consent was obtained from all the subjects.
: Not applicable.
: The authors declare that they have no conflict of interests.