Funding for this research was provided by:
Japan Society for the Promotion of Science (KAKENHI No.16K11281)
Ministry of Health, Labour and Welfare (H26-nanti-ippan-054)
Novartis Pharmaceuticals Corporation
Received: 6 November 2017
Accepted: 5 March 2018
First Online: 9 March 2018
Ethics approval and consent to participate
: This retrospective study was approved by the ethics committee of University of Tokyo Hospital and it conforms to provisions of the Declaration of Helsinki.
: Written informed consent was obtained from patients for publication.
: The authors declare that they have no competing interests.
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