Received: 13 October 2019
Accepted: 27 August 2020
First Online: 3 September 2020
Ethics approval and consent to participate
: This study was approved by the Clinical Research Ethics Committee of the Catholic Medical Center, and written informed consent was obtained from each participant in accordance with the Declaration of Helsinki. Researchers were permitted to conduct this study by accessing dataset newly assigned with a serial number whose personal information was removed.
: The authors consent to the publication of the manuscript and all materials attached.
: The authors declare that they have no competing interests.