Text and Data Mining valid from 2018-11-08
Received: 22 April 2018
Accepted: 19 October 2018
First Online: 8 November 2018
Ethics approval and consent to participate
: The Institutional Review Board of Wakayama Medical University approved the research protocol on October 12, 2017, and approved the last amendment (protocol version 1.3) on February 28, 2018. This trial complies with the principles of the Declaration of Helsinki. Written informed consent will be obtained from all participants.
: The authors declare that they have no competing interests.
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