1 Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy.
2 Geriatric Unit, IRCCS Istituti Clinici Scientifici Maugeri, Milan, Italy.
3 Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, United Kingdom.
4 Division of Cardiology, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Policlinico di Modena, Modena, Italy.