1. Emergency Department, San Carlos Clinical Hospital Instituto de Investigación Sanitaria San Carlos (San Carlos Health Research Institute), Complutense University Madrid Spain
2. Emergency Department, Clinical Hospital, Instituto de Investigaciones Biomédicas August Pi i Sunyer (August Pi i Sunyer Institute for Biomedical Research) University of Barcelona Barcelona Spain
3. Emergency Department, Alicante General Hospital Miguel Hernández University Alicante Spain
4. Emergency Department Reina Sofía Hospital Murcia Spain
5. Emergency Department University Hospital of the Canary Islands Tenerife Spain
6. Emergency Department Severo Ochoa Hospital, Leganés Madrid Spain
7. Emergency Department Bellvitge University Hospital Barcelona Spain
8. Emergency Department Hospital of the Holy Cross and Saint Paul Barcelona Spain
9. Emergency Department Our Lady Prado Hospital of Talavera de la Reina Toledo Spain
10. Emergency Department Vinalopó de Elche University Hospital Alicante Spain
11. Emergency Department, University Hospital of Torrevieja de Alicante Alicante Spain
12. Emergency Department Sacred Family Clinic Barcelona Spain
13. Emergency Department Navarra University Clinic of Madrid Madrid Spain
14. Emergency Department Burgos University Hospital Burgos Spain
15. Emergency Department Los Pedroches Valley Regional Hospital Córdoba Spain
16. Emergency Department Virgin of the Rocio Hospital of Seville Sevilla Spain
17. Emergency Department Lucus Augusti Lugo University Hospital Lugo Spain
18. Emergency Department Canary Islands University Hospital Tenerife Spain
19. Emergency Department San Pedro Hospital of Logroño Logroño Spain
20. Neurology Department San Carlos Clinical Hospital Madrid Spain
21. Preventive Medicina Department Santiago de Compostela Hospital Complex La Coruña Spain
22. Internal Medicine Department San Carlos Clinical Hospital, Instituto de Investigación Sanitaria San Carlos (San Carlos Health Research Institute), Complutense University Madrid Spain