AUTHOR=Johnson Daniel M. , Mugelli Alessandro , Cerbai Elisabetta TITLE=Editorial: The Role of Calcium Handling in Heart Failure and Heart Failure Associated Arrhythmias JOURNAL=Frontiers in Physiology VOLUME=10 YEAR=2019 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2019.00001 DOI=10.3389/fphys.2019.00001 ISSN=1664-042X