Park, Minah
Jeong, Sung Hoon
Huh, Kyungduk
Park, Yu Shin
Park, Eun-Cheol
Jang, Suk-Yong
Article History
Received: 14 September 2021
Accepted: 1 February 2022
First Online: 19 February 2022
Declarations
:
: Minah Park, Sung Hoon Jeong, Kyungduk Huh, Yu Shin Park, Eun-Cheol Park, Suk-Yong Jang declare that they have no conflict of interest.
: Our study did not need to address any ethical concerns, because the KCYPS data are a secondary dataset that is available to the public and does not contain private information.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This article does not contain any studies with animals performed by any of the authors.