1. Department of Cardiac, Thoracic, and Vascular Sciences, University of Padua Medical School, Via Giustiniani, 2 – Padova, Italy
2. Department of Cardiology, Hosptital of Conegliano (TV), Via Brigata Bisagno, 4, Italy
3. Division of Cardiology, Hospital “P. Pederzoli”, Via Monte Baldo 24 – 37019 Peschiera Del Garda (VR), Italy