Funding for this research was provided by:
Japan Society for the Promotion of Science (JP26253093, JP16K08015)
Text and Data Mining valid from 2019-03-25
Received: 28 November 2018
Accepted: 7 February 2019
First Online: 25 March 2019
Ethics approval and consent to participate
: Ethical approval was obtained from the Ethics Committee of Tokyo Medical and Dental University (approval number D2012-043). All individuals provided their written informed consent for the study.
: The authors obtained consent to publish.
: The authors declare that they have no competing interests.
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