Funding for this research was provided by:
Scientific Research from the Japanese Ministry of Education, Culture, Sports, Science and Technology. (#18K09451)
Received: 16 May 2019
Accepted: 2 July 2019
First Online: 11 August 2019
Ethics approval and consent to participate
: All procedures that were performed were in accordance with the ethical standards of the institutional research committee of Saga University (no. 2016-04-06) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Written informed consent was obtained from the patient for publication of this case report and any 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.