1. Clinical Epidemiology Unit, Liver Research Center, Basovizza, Trieste, Italy;
2. International Center for the Assessment of Nutritional Status (ICANS), University of Milano, Milano, Italy;
3. Istituto Auxologico Italiano, IRCCS, Division of Auxology and Metabolic Diseases, Piancavallo (VB), Italy;
4. Istituto Auxologico Italiano, IRCCS, Experimental Laboratory for Auxo-Endocrinological Research, Milano and Piancavallo (VB), Italy;
5. Istituto Auxologico Italiano, IRCCS, Division of General Medicine, Piancavallo (VB), Italy;
6. Department of Translational Medicine, University of Piemonte Orientale, Novara, Italy