AUTHOR=Chen Zhe , Barbieri Riccardo TITLE=Editorial: engineering approaches to study cardiovascular physiology: modeling, estimation, and signal processing JOURNAL=Frontiers in Physiology VOLUME=3 YEAR=2012 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2012.00425 DOI=10.3389/fphys.2012.00425 ISSN=1664-042X