1. Department of Pharmacology, Toxicology and Clinical Pharmacology, “luliu Hatieganu” University of Medicine and Pharmacy, 400337 Cluj-Napoca, Romania
2. Department of Pediatrics, “Karamandaneio” Children’s Hospital of Patra, 26331 Patras, Greece
3. Department of Nutritional Sciences and Dietetics, International Hellenic University, 57400 Thessaloniki, Greece
4. Allergy Unit, 2nd Pediatric Clinic, University of Athens, 11527 Athens, Greece
5. National Heart and Lung Institute, Imperial College London, London W2 1PG, UK