Park, Sang-yeon
Eom, Jeongha
Choi, Sangyoun
Kim, Jinhyun
Park, Eun-Cheol
Article History
Received: 18 December 2023
Accepted: 1 April 2024
First Online: 18 April 2024
Declarations
:
: This study adhered to the principles outlined in the Declaration of Helsinki, and the procedures of involving the research study participants were approved by Statistics Korea (approval number 117058) as the National Official Statistics. All participants were informed of the study and provided consent. As the participants were younger than 18 years of age, informed parental consent was obtained from all individuals. Additional ethical review, approval, and written informed consent from the participants were deemed unnecessary for the study of human participants in alignment with local legislation and institutional requirements.
: Not applicable.
: The authors declare that they have no conflict of interest.