Affiliation: | 1. Department of Allergy, Rheumatology and Clinical Immunology, Children's Hospital Ljubljana, University Medical Centre Ljubljana, Ljubljana, Slovenia;2. Correspondence to:;3. Štefan Blazina, M.D., Ph.D., Department of Allergy, Rheumatology and Clinical Immunology, Children's Hospital Ljubljana, University Medical Centre Ljubljana, Slovenia.;4. Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia;5. Division of Obstetrics and Gynecology, Clinical Institute of Medical Genetics, University Medical Centre Ljubljana, Ljubljana, Slovenia;6. Unit of Special Laboratory Diagnostics, Children's Hospital Ljubljana, University Medical Centre Ljubljana, Ljubljana, Slovenia |