Funding for this research was provided by:
Takeda Science Foundation
Japan Society for the Promotion of Science (15H05881, 16H05322, 25293206)
Received: 23 July 2019
Accepted: 12 November 2019
First Online: 27 November 2019
Ethics approval and consent to participate
: Not applicable.
: Written informed consent was obtained from the patient and his wife for the publication of this case report and any accompanying images. A copy of the written consent is available for review by the editor of this journal.
: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.