1. Emergency Department Hospital Clínico San Carlos Instituto de Investigación Sanitaria Hospital Clínico San Carlos (IdISSC) Madrid Spain
2. Department of Cardiology and Cardiovascular Research Institute Basel University Hospital Basel Basel Switzerland
3. Department of Geriatric Medicine Hospital General Universitario Gregorio Marañón Instituto de Investigación IiSGM Universidad Complutense de Madrid Madrid Spain
4. Department of Emergency and Critical Care Medicine Paracelsus Medical University Nürnberg Germany
5. Department of Emergency Medicine Baylor College of Medicine Houston TX
6. Emergency Department Hospital de la Santa Creu i Sant Pau Universidad Autónoma de Barcelona Barcelona Spain
7. Emergency Department Hospital Reina Sofia Murcia Spain
8. Emergency Department Short Unit Stay and Hospital at Home Hospital General de Alicante Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL‐Fundación FISABIO) Universidad Miguel Hernández Alicante Alicante Spain
9. Emergency Department Hospital Central de Asturias Oviedo Asturias Spain
10. Emergency Department Hospital Universitari de Bellvitge L'Hospitalet de Llobregat Barcelona Spain
11. Department of Preventive Medicine Hospital Clínico San Carlos Instituto de Investigación Sanitaria Hospital Clínico San Carlos (IdISSC) Universidad Complutense de Madrid Madrid Spain
12. Emergency Department Hospital Clínic, and Institut de Recerca Biomàdica August Pi i Sunyer (IDIBAPS) Barcelona CataloniaSpain