Funding for this research was provided by:
Chonnam National University Hospital Biomedical Research Institute (BCRI-20074)
Received: 14 October 2020
Accepted: 12 January 2021
First Online: 24 January 2021
Ethics approval and consent to participate
: This study was performed in accordance with the principles of the Declaration of Helsinki and Good Clinical Practice guidelines. This study was approved by the Institutional Review Board (IRB) of Chonnam Hwasun National University Hospital (approval number: IRB.CNUHH-2020-077). The need for informed consent was waived according to the policy of our IRB.
: The need for informed consent was waived according to the policy of our IRB.
: The authors declare that they have no competing interests.