1. Department of Medicine and Surgery University of Milano‐Bicocca Milan Italy
2. Department of Cardio‐Thoracic‐Vascular Area Foundation IRCCS Cà Granda Ospedale Maggiore Policlinico Italy
3. Department of Cardiology University Hospital “Dr. Dragisa Misovic – Dedinje”, Heroja Milana Tepica 1 Belgrade Serbia