ABC | Volume 110, Nº4, April 2018

Original Article Muñoz et al Atrial fibrillation ablation in valve disease Arq Bras Cardiol. 2018; 110(4):312-320 Martinis G, Badia S, Reyes G, Aguilar R; Writing of the manuscript: Lorenzo N. Potential Conflict of Interest No potential conflict of interest relevant to this article was reported. Sources of Funding There were no external funding sources for this study. Study Association This study is not associatedwith any thesis or dissertationwork. Ethics approval and consent to participate This study was approved by the Ethics Committee of the La Princesa hospital. All the procedures in this study were in accordance with the 1975 Helsinki Declaration, updated in 2013. Informed consent was obtained from all participants included in the study. 1. Nabauer M, Gerth A, Limbourg T, Schneider S, Oeff M, Kirchhof P, et al. The registry of the German competence NETwork on atrial fibrillation: patient characteristics and initial management. 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