1. Section for Epidemiology and Social Medicine (EPSO), Department of Public Health and Community Medicine, Institute of Medicine, Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
2. Department of Public Health; University of Helsinki; Helsinki Finland
3. Leibniz Institute for Prevention Research and Epidemiology - BIPS; Bremen Germany
4. Department of Pediatrics; University of Pécs; Pécs Hungary
5. Research and Education Institute of Child Health; Strovolos Cyprus
6. GENUD (Growth, Exercise, Nutrition, and Development) research group; University of Zaragoza; Zaragoza Spain
7. Epidemiology & Population Genetics, Institute of Food Sciences; CNR; Avellino Italy
8. Research Centre; National Institute for Health Development; Tallinn Estonia
9. Department of Public Health; University of Ghent; Ghent Belgium