1. Department of Biomedical and Clinical Sciences “L. Sacco” University of Milan Milan Italy
2. Pediatric Clinical Research Center Fondazione “Romeo ed Enrica Invernizzi” University of Milan Milan Italy
3. Obesity Unit—Laboratory of Nutrition and Obesity Research, Department of Endocrine and Metabolic Diseases IRCCS Istituto Auxologico Italiano Milan Italy
4. International Center for the Assessment of Nutritional Status (ICANS), Department of Food, Environmental and Nutritional Sciences (DeFENS) University of Milan Milan Italy
5. Pediatrics and Adolescentology Unit, Department of Internal Medicine University of Pavia Pavia Italy
6. Department of Pediatrics Children's Hospital “V. Buzzi” Milan Italy