Received: 19 November 2020
Accepted: 29 December 2020
First Online: 1 February 2021
Ethics approval and consent to participate
: All procedures performed in this study involving human participants were executed in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This study was approved by the Ethics Committee at Kyoto University Graduate School and Faculty of Medicine (R0174). Written informed consent was obtained from all patients for this case report.
: A copy of the written consent is available for review by the Editor-in-Chief of this journal.
: The authors declare that they have no competing interest.