Funding for this research was provided by:
Korea Health Industry Development Institute (HB16C0040)
Text and Data Mining valid from 2019-12-01
Received: 7 September 2018
Accepted: 9 October 2019
First Online: 27 December 2019
Ethics approval and consent to participate
: The protocol was written in accordance with the Declaration of Helsinki and Korean Good Clinical Practice. This study was approved by the Institutional Review Board of four hospitals and the final protocol version is 2.1 dated 23 July 2018. The protocol was registered in the Clinical Research Information Service (CRIS, KCT0002998) on 12 July 2018.All participants will be informed about the trial, including design, potential benefits, and adverse events. Participants will be given enough time to decide on their participation and swill ign the informed consent form voluntarily.
: All authors reviewed the final manuscript, and consent for publication. There are no personal or private data contained in this manuscript.
: The authors declare that they have no competing interests.