Jung, Y. W.
Hong, N. http://orcid.org/0000-0002-8246-1956
Kim, C. O.
Kim, H. C.
Youm, Y.
Choi, J. -Y.
Rhee, Y.
Funding for this research was provided by:
Korea Centers for Disease Control and Prevention (2013-E63007-01, 2013-E63007-02)
Article History
Received: 12 May 2020
Accepted: 20 October 2020
First Online: 30 October 2020
Compliance with ethical standards
:
: None.
: The study protocol was approved by the International Review Board of Yonsei University Health System, Severance Hospital (IRB No. 4-2012-0172). All participants provided written informed consent prior to study participation. All procedures performed in the studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments.