1. Research and Education Institute of Child Health; Nicosia Cyprus
2. Public Health Epidemiology Unit, Department of Public Health and Community Medicine, Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
3. Leibniz Institute for Prevention Research and Epidemiology- BIPS; Bremen Germany
4. Department of Public Heath, Faculty of Medicine and Health Sciences; Ghent University; Ghent Belgium
5. National Institute for Health Development; Tallinn Estonia
6. Department of Pediatrics; University of Pécs; Pécs Hungary
7. National Research Council, Institute of Food Sciences, Unit of Epidemiology & Population Genetics; Avellino Italy
8. Growth, Exercise, Nutrition and Development Research Group; University of Zaragosa; Zaragosa Spain