AUTHOR=Huang Christopher L.-H. , Solaro R. John , Ke Yunbo , Lei Ming TITLE=Editorial: Ca2+ Signaling and Heart Rhythm JOURNAL=Frontiers in Physiology VOLUME=6 YEAR=2016 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2015.00423 DOI=10.3389/fphys.2015.00423 ISSN=1664-042X