Funding for this research was provided by:
Ministry of Education (NRF-2018R1D1A1B07045343)
Received: 17 October 2020
Accepted: 26 April 2021
First Online: 12 May 2021
: This study was conducted in accordance with the Declaration of Helsinki, and the protocol of this study (ver.1.0) was approved by the Institutional Review Board (IRB) of the DongShin University Gwangju Korean Medicine Hospital (DSGOH-051; approval date: September 17, 2018) before the trial began. This trial was registered at the Clinical Research Information Service (cris.nih.go.kr; registration number: KCT0003430; registration date: January 16, 2019). The purpose and potential risks of this study were fully explained to the participants. All participants provided written informed consent before participating in this study.
: Written informed consent for publication of individual details and accompanying images will be obtained from the trial participants. The consent forms are in the possession of the authors and are available for review by the Editor-in-Chief.
: The authors declare that they have no competing interests.