1. Cardiac Intensive Care Unit IRCCS San Raffaele Scientific Institute Milan Italy
2. Institute of Cardiology, ASST Spedali Civili, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health University of Brescia Brescia Italy
3. Division of Cardiology Città della Salute e della Scienza University Hospital of Turin Turin Italy
4. Cardiovascular Research Foundation New York USA
5. University Hospital Birmingham NHS Foundation Trust Edgbaston Birmingham UK