1. Fondazione IRCCS Policlinico S. Matteo, Coronary Care Unit, Pavia, Italy
2. Centro Nacional de Investigaciones Cardiovasculares (CNIC), Spain
3. Instituto de investigación i+12 and Cardiology Department, Hospital Universitario 12 de Octubre, Madrid, Spain
4. Facultad de Medicina, Universidad Complutense de Madrid, Spain
5. Department of Cardiology and Medical Intensive Care, Augustinerinnen Hospital, Germany
6. Faculty of Medicine, University of Freiburg, Germany
7. Department of Cardiology, Copenhagen University Hospital Rigshospitalet, Denmark
8. Intensive Cardiac Care Unit, Hospices Civils de Lyon, France
9. Cardiovascular Department, Humanitas Research Hospital, Italy