1 Department of Cardiology and Angiology, Charité Campus Mitte, Charité - University Medicine Berlin, Charitéplatz 1, 10117, Berlin, Germany. althoff@clinic.cat.
2 DZHK (German Centre for Cardiovascular Research), partner site Berlin, Berlin, Germany. althoff@clinic.cat.
3 Hospital Clínic Atrial Fibrillation Unit (UFA), Arrhythmia Section, Cardiovascular Institute (ICCV), Hospital Clínic, University of Barcelona, C/Villarroel No 170, 08036, Barcelona, Spain. althoff@clinic.cat.
4 Institut D'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Barcelona, Catalonia, Spain. althoff@clinic.cat.
5 Hospital Clínic Atrial Fibrillation Unit (UFA), Arrhythmia Section, Cardiovascular Institute (ICCV), Hospital Clínic, University of Barcelona, C/Villarroel No 170, 08036, Barcelona, Spain. lmont@clinic.cat.
6 Institut D'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Barcelona, Catalonia, Spain. lmont@clinic.cat.
7 Centro de Investigación Biomédica en Red Cardiovascular (CIBERCV), Madrid, Spain. lmont@clinic.cat.