Received: 27 May 2019
Accepted: 28 January 2020
First Online: 9 April 2020
Ethics approval and consent to participate
: According to the Ethical Guidelines for Medical and Health Research Involving Human Subjects in Japan, ethics approval is not necessary when submitting case reports.
: Written informed consent was obtained from the patient for the publication of this case report.
: The authors declare that they have no competing interests.