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Article History

Accepted: 23 January 2022

First Online: 19 February 2022

Declarations

:

: This work was supported by the National Research Foundation of Korea grant funded by the Korean Government (MSIT) [No. 2020R1A2C110097111]. The funding body did not play any role in the design of the study and the collection, analysis, and interpretation of the data and in writing the article.

: All authors (SL, KH, ML, WK, YA, JS, and JL) declare no conflicts of interest.

: The study was approved by the Institutional Review Board of Seoul National University (No. E2002/001-008).

: Not applicable.

: Not applicable.

: Health Insurance Review and Assessment Service research data (M20200324406) used in this study were provided by the Health Insurance Review and Assessment Service in South Korea and are prohibited to transfer, rent, or sale to any third party other than the researcher who have been officially approved for database use. However, it is possible for other researchers to request access to the data directly from the Health Insurance Review and Assessment Service.

: Not applicable.

: YA and JS contributed to the study conception and design; SL, WK, and KH developed the study protocol; SL, ML, and JL performed the data management and analysis; KH, WK, YA, and JS reviewed the study analysis and results; SL wrote the draft of the manuscript; JS conducted a critical review of the manuscript; JL provided oversight for all aspects of the study; and KH, WK, ML, and YA reviewed and edited the manuscript. All authors read and approved the final manuscript before submission.