AUTHOR=Montero David , Diaz-Canestro Candela TITLE=Skeletal Muscle O2 Diffusion and the Limitation of Aerobic Capacity in Heart Failure: A Clarification JOURNAL=Frontiers in Cardiovascular Medicine VOLUME=6 YEAR=2019 URL=https://www.frontiersin.org/journals/cardiovascular-medicine/articles/10.3389/fcvm.2019.00078 DOI=10.3389/fcvm.2019.00078 ISSN=2297-055X