Correction: Trends in low-value GP care during the COVID-19 pandemic: a retrospective cohort study - Joris L. J. M. Müskens; Tim C. Olde Hartman; Henk J. Schers; Reinier P. Akkermans; Gert P. Westert; Rudolf B. Kool; Simone A. van Dulmen (BMC Primary Care)