AUTHOR=Giannuzzi Viviana , Stoyanova-Beninska Violeta , Hivert Virginie TITLE=Editorial: The use of real world data for regulatory purposes in the rare diseases setting JOURNAL=Frontiers in Pharmacology VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2022.1089033 DOI=10.3389/fphar.2022.1089033 ISSN=1663-9812