[1] Aristotle Univ Thessaloniki, Med Sch, Dept Psychiat 2, Div Neurosci, Thessaloniki 54124, Greece
[2] Univ Cyprus, Med Sch, Allergy Outpatient Clin, POB 2537, CY-1678 Nicosia, Cyprus
[3] Iuliu Hatieganu Univ Med & Pharm, PhD Sch, Cluj Napoca 400337, Romania
[4] Karamandaneio Children Hosp, Dept Pediat, Pediat Allergy Outpatient Clin, Patras 26331, Greece
[5] Iuliu Hatieganu Univ Med & Pharm, Inst Gastroenterol & Hepatol O Fodor, Dept Allergol & Immunol, Cluj Napoca 400162, Romania
[6] Int Hellen Univ, Dept Nutr Sci & Dietet, Thessaloniki 57400, Greece