Homburg, M. T., Berger, M., Berends, M., Meijer, E., Kupers, T., Ramerman, L., Rijpkema, C., de Schepper, E., Olde Hartman, T. C., Muris, J., Verheij, R. A., & Peters, L. (Accepted/In press). Dutch GP healthcare consumption in COVID-19 heterogeneous regions: An interregional time-series approach in 2020-2021. BJGP Open.