Funding for this research was provided by:
“Dongwha” Faculty Research Assistance Program of Yonsei University College of Medicine (6-2017-0169)
the faculty grant of Myongji Hospital (1902-09-01)
Article History
Received: 13 July 2020
Revised: 8 October 2020
Accepted: 10 October 2020
First Online: 22 October 2020
Compliance with ethical standards
:
: No conflicting relationship exists for any author.
: Approval from the Institutional Review Board/Ethics Committee from Myongji Hospital (2019–08-009) and Gangnam Severance (3–2019-0117) in Seoul, South Korea was obtained. The study adhered to principles of the Declaration of Helsinki.
: The outflow of all data to the outside is strictly prohibited by national security law. The raw data used in this study can be extracted by request from any qualified investigator through national HIRA system.