1. Department of Allergy, Rheumatology and Clinical Immunology, Children's Hospital Ljubljana; University Medical Centre Ljubljana; Ljubljana Slovenia
2. Institute of Microbiology and Immunology, Faculty of Medicine; University of Ljubljana; Ljubljana Slovenia
3. Division of Obstetrics and Gynecology; Clinical Institute of Medical Genetics; University Medical Centre Ljubljana; Ljubljana Slovenia
4. Unit of Special Laboratory Diagnostics; Children's Hospital Ljubljana; University Medical Centre Ljubljana; Ljubljana Slovenia