1. Department of Public Health, Experimental and Forensic Medicine, Section of Human Nutrition, Endocrinology and Nutrition Unit, Azienda di Servizi alla Persona, University of Pavia, 27100 Pavia, Italy
2. Department of Clinical Sciences, Faculty of Medicine and Surgery, University of Milan, Milan, Italy
3. Azienda di Servizi alla Persona, Pavia, Italy
4. Research and Development Unit, Indena, 20139 Milan, Italy
5. Department of Brain and Behavioral Sciences, Medical and Genomic Statistics Unit, University of Pavia, 27100 Pavia, Italy
6. Department of Public Health, Experimental and Forensic Medicine, Biostatistics and Clinical Epidemiology Unit, University of Pavia, 27100 Pavia, Italy