1. IRCCS Fondazione Don Carlo Gnocchi ONLUS Firenze, 50143 Florence, Italy
2. Human Nutrition and Dietetics, Department of Public Health, Federico II University, 80131 Naples, Italy
3. Santa Maria del Pozzo Private Hospital, Somma Vesuviana, 80049 Naples, Italy
4. Department of Experimental and Clinical Medicine, University of Florence, Largo Brambilla, 50134 Florence, Italy