Text and Data Mining valid from 2019-12-01
Received: 2 April 2019
Accepted: 27 October 2019
First Online: 30 December 2019
Ethics approval and consent to participate
: In accordance with the Declaration of Helsinki, all participants were provided all information about the purposes, benefits, possible risks, and experimental protocols. A written informed consent was obtained from all participants. An ethical committee established in Kyushu Sangyo University approved all procedures of this study (H240324, H27-0002, and H28-0001).
: Not applicable
: The authors declare that they have no competing interests.