Funding for this research was provided by:
This work was supported by the Dong-A University research fund.
Article History
Received: 24 May 2021
Accepted: 13 July 2021
First Online: 16 September 2021
Declarations
:
: This study design complied with and was approved by the Ethics Committee of Dong-A University (IRB No. 2019-186). All of the participants signed an informed-consent form.
: All authors gave final approval and agree to be accountable for all aspects of the work.
: Jung Han Kim, Chul Hoon Kim, and Bok Joo Kim declare that they have no competing interests.