Correction to: BMC Health Serv Res 22, 568 (2022)

https://doi.org/10.1186/s12913-022-07922-6

Following publication of the original article [1], the authors reported an error in the ‘Funding’ section.

The statement in the ‘Funding’ section originally read: This research was supported by a grant of Patient-Centered Clinical Research Coordinating Center funded by the Ministry of Health & Welfare, Republic of Korea (grant number: HI19C0481, H21C0059).

The statement in the ‘Funding’ section should read: This research was supported by a grant of Patient-Centered Clinical Research Coordinating Center funded by the Ministry of Health & Welfare, Republic of Korea (grant number: HI19C0481, HC21C0059).

The original article [1] has been updated.