Long-Term Prognosis After Cardiac Resynchronization Therapy Is Related to the Extent of Left Ventricular Reverse Remodeling at Midterm Follow-Up - Ypenburg, C; van Bommel, RJ; Borleffs, CJW; Bleeker, GB; Boersma, E; Schalij, M; Bax, JJ (J Am Coll Cardiol, 2009)