Received: 4 December 2019
Accepted: 27 May 2020
First Online: 3 June 2020
Ethics approval and consent to participate
: This study was approved by the Kanazawa University Medical Ethics Review Committee (approval No. 2718–1). Informed consent was obtained in writing from all the individual participants included in the study.
: We have consent in writing for publication.
: The authors declare that they have no competing interests.