Kang, Sang Oh http://orcid.org/0000-0002-9962-466X
Min, Kyung Hyun http://orcid.org/0000-0001-7398-0423
Kim, Hyun Jeong http://orcid.org/0000-0002-4561-8002
Kim, Tae Hyeok http://orcid.org/0000-0003-3465-3563
Kim, Woorim http://orcid.org/0000-0001-7267-6745
Lee, Kyung Eun http://orcid.org/0000-0002-9535-7314
Article History
Received: 2 February 2021
Accepted: 8 March 2021
First Online: 17 March 2021
Declarations
:
: Medical claims data from NHIS are available for public access. Data are encrypted to protect personal information and are provided with anonymous identification numbers. This study was approved by the Institutional Review of Chungbuk National University (CBNU-201703-ETC-425-01).
: Not applicable.
: The authors declare that they have no competing interests.