AUTHOR=Polimeni Alberto , Campo Gianluca TITLE=Editorial: Coronary epicardial and microvascular hemodynamics JOURNAL=Frontiers in Cardiovascular Medicine VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/cardiovascular-medicine/articles/10.3389/fcvm.2022.969928 DOI=10.3389/fcvm.2022.969928 ISSN=2297-055X