1. Laboratory of Epidemiology, Health Determinants and Well-Being, Department of Public Health Policy, University of West Attica, 115 21 Athens, Greece
2. Department of Rheumatology and Clinical Immunology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Biopolis, 411 10 Larissa, Greece
3. Laboratory of Nutrition and Dietetics, Department of Nutrition and Dietetics, Harokopio University, Elefteriou Venizelou 70, 176 76 Athens, Greece
4. Adolescent Health Unit, Second Department of Pediatrics, “P. & A. Kyriakou” Children’s Hospital, National and Kapodistrian University of Athens, 115 27 Athens, Greece