Park, Jiyun
Kim, Gyuri
Kim, Bong-Sung
Han, Kyung-Do
Kwon, So Yoon
Park, So Hee
Lee, You-Bin
Jin, Sang-Man
Kim, Jae Hyeon
Article History
Received: 10 January 2022
Accepted: 18 February 2022
First Online: 16 April 2022
Declarations
:
: The Institutional Review Board (IRB) of Samsung Medical Center approved this study (Approval No. SMC 2021-09-102). An informed consent exemption was granted by the IRB because all data provided by the NHIS to researchers were de-identified.
: Not applicable.
: The authors have no competing interests to declare.