Received: 11 October 2018
Accepted: 12 February 2019
First Online: 27 February 2019
Ethics approval and consent to participate
: Written informed consent was obtained from the patient for the analysis of the samples and the tissues.
: Consent for publication was obtained from the patient. A copy of the written consent is available for review.
: Masahiro Seike, Kaoru Kubota, and Akihiko Gemma have received honorarium from Merck Sharp & Dohme. The authors report no other conflicts of interest in this work.
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