Funding for this research was provided by:
Kyowa Hakko Kirin
Ono Medical Research Foundation (None)
Astellas Pharma (None)
Received: 4 December 2018
Accepted: 18 April 2019
First Online: 10 May 2019
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 for case reports.
: Written informed consent was obtained from the patient for the publication of this case report and any accompanying test results.
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