1. University of Liège Hospital, Cardiology Care Unit, GIGA Cardiovascular Sciences, Department of Cardiology, University Hospital Sart Tilman, Belgium
2. Adult Intensive Care Unit, Royal Brompton Hospital, London, UK
3. Department of Cardiology, Oslo University Hospital and University of Oslo, Norway
4. Department of Cardiology, Univeristair ziekenhuis, VUB, Centrum Voor Hart-en Vaatziekten (CHVZ), Brussels, Belgium
5. Clinical Hospital Centre Zemun, Faculty of Medicine, University of Belgrade, Serbia
6. Uppsala Universitet, Institutionen för Medicinska Vetenskaper, Sweden
7. Department of Cardiology, Rigshospitalet, University of Copenhagen, Denmark
8. Pôle de Recherche Cardiovasculaire, Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain and Division of Cardiology, Cliniques Universitaires Saint-Luc, Brussels, Belgium
9. Institute of Clinical Physiology, National Council of Research, Pisa, Italy
10. Department of Medical Translational Sciences, Federico II University Hospital, Naples, Italy
11. Echocardiography Laboratory, Hospital da Luz, Lisbon, Portugal
12. University of Alcala, Hospital Ramón y Cajal, Madrid, Spain
13. Cardiology Department, CHU Rennes and LTSI, Université Rennes-1, France
14. Department of Cardiology, Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañón & Universidad Complutense de Madrid, Spain
15. Aix-Marseille Université, APHM, La Timone Hospital, Cardiology Department, France