Sources of Funding
PERSISTENT ATRIAL FIBRILLATION
The funding of the CASA AF Trial (Catheter Ablation vs. Thoracoscopic Surgical Ablation in Long Standing Persistent Atrial Fibrillation) was through the Efficacy and Mechanism Evaluation (EME) Program, a Medical Research Council (MRC) and National Institute for Health Research (NIHR) partnership (grant number 12/127/ 127). The views expressed in this publication are those of the author(s) and not necessarily those of the MRC, NIHR, or the Department of Health and Social Care.