Received: 8 May 2020
Accepted: 28 December 2020
First Online: 23 April 2021
Ethics approval and consent to participate
: The study was approved by the ethics committees at Kagawa University (ID:2019-268). Written informed consent for publication of this paper was obtained from the patient.
: Written informed consent was obtained from the patient for publication of this manuscript and accompanying images. 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 interests.