Received: 5 April 2021
Accepted: 18 November 2021
First Online: 28 March 2022
: Prior to conducting the study, research approval (DSH-인-21-01) was obtained from the Institutional Review Board. All participants were verbally assured of the purpose and process; written and informed consent was obtained after a full explanation about their participation. The researchers also explained to the participants their right to withdraw from the study at any time and for any reason and their right to confidentiality.
: All participants signed informed consent regarding publishing their data.
: The authors declare that they have no competing interest.