AUTHOR=Lehr Claus-Michael , Yeo Leslie , Sznitman Josué TITLE=Editorial: Innovative In Vitro Models for Pulmonary Physiology and Drug Delivery in Health and Disease JOURNAL=Frontiers in Bioengineering and Biotechnology VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2021.788682 DOI=10.3389/fbioe.2021.788682 ISSN=2296-4185