Sinn, Dong Hyun
Kang, Danbee
Guallar, Eliseo
Hong, Yun Soo
Cho, Juhee
Gwak, Geum-Youn
Article History
Received: 21 September 2021
Accepted: 13 December 2021
First Online: 24 January 2022
Declarations
:
: The Institutional Review Board of the Samsung Medical Center approved the study and waived the requirement for informed consent because NHIS-NSC 2.0 data were publicly available de-identified data.
: Not applicable.
: The authors declare that they have no competing interests.