AUTHOR=Vermorken Jan B. , Van Gestel Dirk TITLE=Editorial: Quality Assessment Across Disciplines in Head and Neck Cancer Treatment JOURNAL=Frontiers in Oncology VOLUME=11 YEAR=2021 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2021.636622 DOI=10.3389/fonc.2021.636622 ISSN=2234-943X