Response to letter regarding "catheter ablation of atrial fibrillation in patients with left ventricular systolic dysfunction: A systematic review and meta-analysis"

M Anselmino, M Matta, F D'Ascenzo, TJ Bunch, RJ Schilling, RJ Hunter, C Pappone, T Neumann, G Noelker, M Fiala, E Bertaglia, A Frontera, E Duncan, C Nalliah, P Jais, R Weerasooriya, JM Kalman, F Gaita