1. Arrhythmology and Heart Failure Unit Mediterranea Hospital Naples Italy
2. Department of Biomedical Sciences and Public Health, Cardiology and Arrhythmology Clinic University Hospital “Ospedali Riuniti”, Marche Polytechnic University Ancona Italy
3. Echocardiography Laboratory, Mediterranea Hospital Naples Italy
4. Cardiac Surgery Unit Mediterranea Hospital Naples Italy
5. Department of Clinical, Special, and Dental Sciences, Cardiology and Arrhythmology Clinic, University Hospital “Ospedali Riuniti” Marche Polytechnic University Ancona Italy