title: Reply to Colli and Romero-Ferrer.
authors: Alberto
authors: A
authors: Pozzoli
authors: Stefano
authors: S
authors: Benussi
authors: Daniele F M
authors: DF
authors: Colombo
authors: Ottavio
authors: O
authors: Alfieri
mesh_terms: D001281:Atrial Fibrillation / Q000601:surgery*; D022062:Electrophysiologic Techniques, Cardiac; D005260:Female; D057086:High-Intensity Focused Ultrasound Ablation; D006801:Humans; D008297:Male