Received: 25 January 2018
Accepted: 22 December 2018
First Online: 15 January 2019
Ethics approval and consent to participate
: This study will be conducted in accordance with the principles of the Declaration of Helsinki and Good Clinical Practice guidelines. As indicated in the section “Study design,” the study was approved by the Institutional Review Board of Daegu Catholic University Medical Center (Reference number: CR-17-177-L). As indicated in the section “Participants,” written informed consent will be obtained from all participants before randomization.
: Not applicable.
: The authors declare that they have no competing interests.
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