title: Reply to the letter from Kumar et al.: Maastricht experience with the second-generation endoscopic laser balloon ablation system for the atrial fibrillation.
authors.affiliation: Cardiology Department of the Isala, Isala Klinieken, Dr. Van Heesweg 2, 8025 AB, Zwolle, The Netherlands.
authors.forename: P
authors.initials: P
authors.lastname: Gal
authors.forename: A
authors.initials: A
authors.lastname: Elvan