1. Division of Cardiothoracic Intensive Care, Cardiothoracic Department, Civil Hospital Brescia , Brescia , Italy
2. Department of Cardiology, Harefield Hospital, Guys & St Thomas’ Foundation Trust , London , UK
3. National Heart and Lung Institute, Imperial College London , London , UK
4. Interventional Cardiology Unit, IRCCS San Raffaele Hospital , Milan , Italy
5. Department of Cardiology, Angiology and Intensive Care Medicine, Charité University Hospital Berlin, Campus Benjamin Franklin , Berlin , Germany
6. DZHK (German Centre for Cardiovascular Research), Partner Site Berlin , Berlin , Germany
7. Department of Cardiology and Angiology, Hannover Medical School , Hannover , Germany
8. Heart Centre Trier, Hospital of the Brothers of Charity Trier , Trier , Germany
9. Cardiac Intensive Care Unit, IRCCS San Raffaele Hospital , Milan , Italy
10. Department of Cardiothoracic and Vascular Anesthesia and Intensive Care, AO SS Antonio e Biagio e Cesare Arrigo , Via Venezia, 16 , 15121 Alessandria, Italy