Article History
Received: 18 April 2023
Revised: 18 January 2024
Accepted: 22 January 2024
First Online: 2 February 2024
Competing interests
: The authors have no conflicts of interest to declare.
: The Institutional Review Board (IRB) of the Korea Centers for Disease Control and Prevention (KCDC) approved the study (IRB No. 2013-07CON-03-4C, 2013-12EXP-03-5C), and all participants provided written informed consent.