Received: 19 January 2021
Accepted: 21 August 2021
First Online: 8 September 2021
: The study was approved by the Research Ethics Review Committee of Chonnam National University Hospital (approval number CNUH-2020-092). All participants were over 18 years old and electronic informed consent was obtained from each participant prior to starting the investigation. When participants checked consent, this survey was conducted. All methods were performed in accordance with the guidelines and regulations set by the University Institutional Review Board.
: Not applicable
: The authors declare no conflicts of interest.