Correction: BMC Health Serv Res 22, 612 (2022)

https://doi.org/10.1186/s12913-022-07957-9

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

The statement in the ‘Funding’ section originally read: No funding was obtained for this study.

The statement in the ‘Funding’ section should read: This study was supported by the China National Health Development Research Center (grant number 2020QT-CNHDRC-2020-28).

The original article [1] has been updated.