PROGRESSION FROM NEW ONSET TO ESTABLISHED PERSISTENT ATRIAL FIBRILLATION: CORRELATING CLINICAL CLASSIFICATIONS WITH IMPLANTABLE DEVICE DATALOG INSIGHTS - Nagarakanti, Rangadham; Saksena, Sanjeev; Hettrick, Douglas; Koehler, Jodi; Grammatico, Andrea; Padeletti, Luigi (Journal of the American College of Cardiology (JACC), 2010)