Funding for this research was provided by:
Catholic University of Korea
Received: 24 August 2020
Accepted: 9 December 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: This was a prospective, patient-randomized, noninferiority trial. The protocol was approved by the Institutional Review Board of Seoul St. Mary’s Hospital Ethics Committee (Approval No. KC18MESI0583) on December 19, 2018. The study was performed in accordance with the principles of the Declaration of Helsinki. The study protocol was prospectively registered at a publicly accessible clinical registration site that is recognized by the International Committee of Medical Journal Editors (Clinical Research Information Service, Republic of Korea, approval number: KCT0003680) on March 27, 2019. Written informed consent was obtained from all patients at our hospital who were enrolled between March 2019 and May 2020. The study adhered to the Consolidated Standards of Reporting Trials (CONSORT) guidelines (Additional file InternalRef removed) and a CONSORT flow chart is provided in Fig. InternalRef removed. Additional file InternalRef removed presents a summary of our study protocol.
: Not applicable.
: The authors have no conflicts of interest to declare.