1 Cardiology Division, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Policlinico di Modena, Modena, Italy.
2 Clinical and Experimental Medicine PhD Program, University of Modena and Reggio Emilia, Modena, Italy.
3 Liverpool Centre for Cardiovascular Science at University of Liverpool, Liverpool John Moores University and Liverpool Heart & Chest Hospital, Liverpool, UK.
4 Danish Center for Health Services Research, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.