1. Department of Cardiology Hospital Universitario de Canarias, Universidad Europea de Canarias Tenerife Spain
2. CIBER de Enfermedades Cardiovasculares (CIBERCV) Madrid Spain
3. Hospital de la Axarquía Málaga Spain
4. Emergency Department Hospital Universitario de Canarias, Universidad de La Laguna Tenerife Spain
5. Emergency Department, Hospital Clinic, Barcelona, Institut d'Investigació Biomèdica August Pi iSunyer (IDIBAPS) University of Barcelona Barcelona Spain
6. Emergency Department Hospital Universitario Reina Sofia Córdoba Spain
7. Emergency Department Hospital General Universitario Reina Sofía Murcia Spain
8. Emergency Department, Short‐Stay Unit and Home Hospitalization Hospital General de Alicante Alicante Spain
9. Emergency Department, Hospital Clínico San Carlos Universidad Complutense Madrid Spain
10. Department of Physiology, Facultad de Medicina Universidad de La Laguna Tenerife Spain