Funding for this research was provided by:
Ministry of Education, Culture, Sports, Science and Technology (No. 16K11021)
Text and Data Mining valid from 2019-04-02
Received: 1 November 2017
Accepted: 25 March 2019
First Online: 2 April 2019
Ethics approval and consent to participate
: Ethics approval was obtain from the Human Research Ethics Committee of Yokohama City University, IRB Reference Number B110512006. Written informed consent was obtained from all patients for enrollment in this study.
: Not applicable.
: The authors declare that they have no competing interests.
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