1. Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (ProMISE), Università degli Studi di Palermo, Piazza delle Cliniche 2, Via del Vespro 129, 90127 Palermo, Italy
2. Internal Medicine and Stroke Care Ward, University Hospital, Policlinico “P. Giaccone”, 90100 Palermo, Italy