1. Immunonutrition Unit, Department of Rheumatology and Clinical Immunology, General University Hospital of Larissa, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece,
2. Nutrition and Food Standards Unit, Directorate of Risk Assessment and Nutrition, Hellenic Food Authority, Athens, Greece,
3. Department of Nutrition and Dietetics, School of Health Sciences, Hellenic Mediterranean University, Crete, Greece