AUTHOR= Frontiers Editorial Office TITLE=Retraction: Post-acute (long) COVID-19 quality of life: validation of the German version of (PAC19QoL) instrument JOURNAL=Frontiers in Public Health VOLUME=11 YEAR=2023 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2023.1308285 DOI=10.3389/fpubh.2023.1308285 ISSN=2296-2565