AUTHOR=Wrenger Jennifer , Berger Bettina , Martin David D. , Jenetzky Ekkehart TITLE=Information needed for optimal immunization related to medical advice: an observational prospective cohort study protocol (INFORMed) JOURNAL=Frontiers in Public Health VOLUME=12 YEAR=2024 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2024.1481942 DOI=10.3389/fpubh.2024.1481942 ISSN=2296-2565