Correction to: BMC Health Serv Res 21, 474 (2021)

https://doi.org/10.1186/s12913-021-06459-4

Following publication of the original article [1], the authors identified an error in the author name of Ling Yan LEUNG.

The incorrect author name is: L. E. U. N. G. Ling Yan

The correct author name is: Ling Yan LEUNG

The author group has been updated above and the original article [1] has been corrected.