1. Arrhythmia Division Spanish Society of Emergency Medicine (SEMES) Madrid
2. Emergency Department Hospital Universitario Severo Ochoa and Universidad Alfonso X Madrid
3. Department Unitat de Fibril·lació Auricular (UFA) Grup de Recerca “Urgències: processos i patologies” IDIBAPS, Hospital Universitari Clínic Barcelona
4. Emergency Department Hospital de la Axarquía Málaga
5. Emergency Department Hospital Universitario Virgen del Rocío Sevilla
6. Emergency Department Complejo Hospitalario Universitario Granada
7. Emergency Department Hospital de Basurto, Bilbao
8. Emergency Department, Hospital Donostia San Sebastián
9. Emergency Department Hospital Universitario Río Hortega Valladolid
10. Emergency Department Hospital General Universitario Alicante
11. Emergency Department Hospital Universitario Torrejón Madrid
12. Medical Department Sanofi Spain Barcelona
13. Emergency Department Hospital Universitario La Princesa and Universidad Autónoma Madrid Spain