Funding for this research was provided by:
Grant-in-Aid for Scientific Research (16K10936)
Article History
Received: 23 July 2018
Accepted: 16 November 2018
First Online: 30 November 2018
Ethics approval and consent to participate
: Kobe University Hospital Ethics Committee approved this investigation (Approved No. 1587). The committee waived the need for informed consent for participation to this study.
: Kobe University Hospital Ethics Committee approved this investigation (Approved No. 1587). The committee waived the need for informed consent for publication of this study.
: The authors declare that they have no competing interests.
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