1. Internal Medicine (G.P., G.L., G.N., A.B., F.R., L.L.), 20132 Milan, Italy
2. Unit of Clinical Spectroscopy (G.P., F.D.C., P.S., A.D.M., L.L.), San Raffaele Scientific Institute, 20132 Milan, Italy
3. Center “Physical Exercise for Health and Wellness” (G.P., L.L.), Faculty of Exercise Sciences, Università degli Studi di Milano, 20122 Milan, Italy
4. Section of Nutrition/Metabolism, Departments of Diagnostic Radiology (F.D.C., A.E., E.B., T.C., A.D.M.) 20132 Milan, Italy
5. Nuclear Medicine (P.S.), 20132 Milan, Italy