Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University, 70 El Venizelou Ave, 176 71 Kallithea, Athens, Greece. Department of Nutrition and Dietetics, School of Physical Education, Sport Science and Dietetics, University of Thessaly, Trikala, Greece. Department of Movement and Sports Sciences, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium. Department of Public Health Solutions, National Institute for Health and Welfare, Helsinki, Finland. International Diabetes Federation European Region, Brussels, Belgium. Department of Pediatrics, Medical University Varna, Varna, Bulgaria. Department of Diabetology, Clinical Center of Endocrinology, Medical University Sofia, Sofia, Bulgaria. Growth, Exercise, NUtrition and Development (GENUD) Research Group. Instituto Agroalimentario de Aragón (IA2), Instituto de Investigación Sanitaria Aragón (IIS Aragón), University of Zaragoza, Zaragoza, Spain. Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERObn), University of Zaragoza, Zaragoza, Spain. Institute of Nutrition and Food Technology. Department of Biochemistry and Molecular Biology II, Center of Biomedical Research, University of Granada, Granada, Spain. University of Debrecen, Department of Family and Occupational Medicine, Debrecen, Hungary. National and Kapodistrian University of Athens, Athens, Greece. Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University, 70 El Venizelou Ave, 176 71 Kallithea, Athens, Greece. manios@hua.gr.