1. Unit of Cardiology Luigi Sacco University Hospital Milan Italy
2. Unit of Cardiology, Department of Experimental, Diagnostic and Specialty Medicine‐DIMES University of Bologna Italy
3. Department of Internal Medicine Danbury Hospital Danbury Connecticut USA
4. Cardiovascular Center Aalst OLV‐Clinic Aalst Belgium
5. Department of Advanced Biomedical Sciences University of Naples Federico II Naples Italy