Lee, Sang Min
Hong, Minha
Park, Saengryeol
Kang, Won Sub
Oh, In-Hwan
Funding for this research was provided by:
Korea National Institute of Health (HI18C0446)
Article History
Received: 22 July 2020
Accepted: 18 February 2021
First Online: 4 March 2021
Declaration
:
: Ethical review was obtained by a University review board (IRB No. KHSIRB-19-354 (EA)). Informed consent was exempted due to the public nature of the data sources of NHIS.
: Not applicable.
: The authors declare that they have no competing interests.