AUTHOR=Coulbois Jaime TITLE=Corrigendum: The 2021 Madrilenian regional election: how can the incumbent improve its results in times of crisis? JOURNAL=Frontiers in Political Science VOLUME=5 YEAR=2023 URL=https://www.frontiersin.org/journals/political-science/articles/10.3389/fpos.2023.1304455 DOI=10.3389/fpos.2023.1304455 ISSN=2673-3145