1. Department of Cardiology Hospital de Alta Resolución de Benalmádena Benalmádena Spain
2. Department of Cardiology Hospital Clínico Universitario Virgen de la ArrixacaUniversity of MurciaInstituto Murciano de Investigación Biosanitaria (IMIB‐Arrixaca)CIBERCV Murcia Spain
3. Liverpool Centre for Cardiovascular Science University of Liverpool and Liverpool Heart and Chest Hospital United Kingdom
4. Department of Cardiology Hospital Universitario La Paz Madrid Spain
5. Department of Cardiology Hospital Clinico Universitario Santiago de CompostelaCIBERCV Santiago de Compostela Spain
6. Department of Cardiology University Hospital San Juan de AlicanteUniversidad Miguel HernandezCIBERCV Alicante Spain
7. Primary Care Health Center of San Andrés Murcia Spain
8. Department of Cardiology Arrhythmias Unit Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL) Hospital General Universitario de Alicante Alicante Spain
9. Department of Cardiology University Hospital Virgen de las NievesInstituto de Investigación Biosanitaria ibs.Granada Granada Spain
10. Huarte Primary Care Center Pamplona Spain
11. Department of Internal Medicine University Hospital de La Princesa Madrid Spain
12. Department of Cardiology Hospital Nuestra Señora del PradoTalavera de la Reina Spain
13. Department of Internal Medicine Hospital Universitario del Vinalopó Elche Spain
14. Department of Cardiology Hospital Universitario Reina SofíaUniversidad de CórdobaInstituto Maimónides de Investigación Biomédica (IMIBIC) Córdoba Spain
15. Department of Cardiology Clínica Universidad de NavarraNavarra Institute for Health Research (IdiSNA) Pamplona Spain