Vrachatis, D. Deftereos, S. Kekeris, V. Tsoukala, S. Giannopoulos, G., Catheter ablation for atrial fibrillation in systolic heart failure patients: Stone by stone, a CASTLE, Arrhythmia and Electrophysiology Review, (7), 265-272, 2018, Radcliffe Cardiology,