1. Department of Biomedical and Dental Sciences and Morphological and Functional Imaging, University of Messina , A.O.U. Policlinic ‘G. Martino’, via C. Valeria 1 , Messina 98165, Italy
2. De Gasperis Cardio Center, Interventional Cardiology Unit, Niguarda Hospital , Milan , Italy
3. Cardiocentro Ticino Institute and Università della Svizzera Italiana (USI) , Lugano , Switzerland