1. Department of Allergology “Nicolae Malaxa” Clinical Hospital, “Carol Davila” University of Medicine and Pharmacy, 022441 Bucharest, Romania
2. Department of Nutritional Sciences and Dietetics, School of Health Science, International Hellenic University, 57400 Thessaloniki, Greece
3. Department of Clinical Sciences and Community Health, Università degli Studi di Milano, 20122 Milan, Italy
4. Department of Clinical Immunology, Faculty of Medicine, Wroclaw Medical University, 51-616 Wroclaw, Poland