Lee, Sang Won http://orcid.org/0000-0001-6264-7860
Lee, Soong Deok http://orcid.org/0000-0003-4270-4279
Kim, Moon-Young http://orcid.org/0000-0002-6381-9377
Article History
Received: 30 December 2020
Accepted: 2 March 2021
First Online: 18 March 2021
Declarations
:
: This study did not require ethical approval; however, the authors made the best effort to comply with the general principles of research ethics.
: Informed consent was not available because any relatives of the deceased or other qualified individuals were not identified.
: The authors declare no competing interests.