AUTHOR=Meyer Sascha , Yeh E. Ann , Brunner Jürgen , Semler Oliver , Gropman Andrea TITLE=Editorial: New Therapeutic Options for Rare Diseases JOURNAL=Frontiers in Pediatrics VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/pediatrics/articles/10.3389/fped.2021.832395 DOI=10.3389/fped.2021.832395 ISSN=2296-2360