1. Department of Cardiovascular, Neural and Metabolic Sciences Istituto Auxologico Italiano IRCCS, Ospedale San Luca Milan Italy
2. Department of Cardiology Hopital Universitaire de Bruxelles, Hôpital Académique Erasme 808 Route de Lennik 1070 Bruxelles Belgium
3. Department of Management, Information and Production Engineering University of Bergamo Dalmine Italy
4. Biostatistics Unit IRCCS Istituto Auxologico Italiano Milan Italy
5. Department of Statistic and Quantitative Methods University of Milano‐Bicocca Milan Italy
6. Department of Medicine and Surgery University of Milano‐Bicocca Milan Italy