Correction: BMC Health Serv Res 21, 723 (2021)

https://doi.org/10.1186/s12913-021-06722-8

Following publication of the original article [1], the authors identified an error in the affiliations assignment: the first author, Kari-Anne Hoel, should have had the Faculty of Medicine, University of Oslo (affiliation 2), as affiliation in addition to The Research Centre for Age-related Functional Decline and Disease, Innlandet Hospital Trust (affiliation 1).

This error is corrected in the author list of this Correction article and the original article [1] has been updated.