1. Allergy Department, ‘Professor Doctor Octavian Fodor’ Regional Institute of Gastroenterology and Hepatology, 400162 Cluj-Napoca, Romania
2. Department of Internal Medicine, Colentina University Hospital, 020125 Bucharest, Romania
3. Department of Mathematics, ‘Babes Bolyai’ University, Faculty of Mathematics and Computer Science, 400084 Cluj-Napoca, Romania
4. Anatomy Discipline, ‘Iuliu Hatieganu’ University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania