Funding for this research was provided by:
Ministry of Health, Labour and Welfare
Japan Society for the Promotion of Science (KAKENHI; 19K07956)
Received: 22 February 2020
Accepted: 2 June 2020
First Online: 16 September 2020
Ethics approval and consent to participate
: This study was approved by the Research Ethics Committee of Graduate School of Medicine, The University of Tokyo (G10072). The patient provided written informed consent for participating in this study.
: Written informed consent was obtained from the patient before his death for publication of this case report and any accompanying images and future use of his data for publication and studies. 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.