1. Department of Pediatrics I, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
2. Department of Pediatrics II, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
3. Department of Pediatrics III, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
4. Department of Microbiology, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
5. Department of Molecular Biology, Babes Bolyai University, 400084 Cluj-Napoca, Romania
6. Department of Immunology, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania