title: Response.
authors.affiliation: Division of Cardiology, Department of Internal Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
authors.forename: Yong Seog
authors.initials: YS
authors.lastname: Oh
authors.forename: Sung-Won
authors.initials: SW
authors.lastname: Jang
mesh_terms: D020517:Atrial Appendage / Q000503:physiopathology*; D001281:Atrial Fibrillation / Q000503:physiopathology* / Q000601:surgery*; D017115:Catheter Ablation; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology* / Q000601:surgery*; D006801:Humans; D008297:Male; D009200:Myocardial Contraction