1. Department of Human and Medical Genetics, Faculty of Medicine; Vilnius University; Vilnius Lithuania
2. Centre of Ear, Nose and Throat Diseases; Vilnius University Hospital Santariškių Clinics; Vilnius Lithuania
3. Pediatric Oncology and Hematology Unit; Hospital of Lithuanian university of Health Sciences, Kaunas Clinics; Kaunas Lithuania
4. Department of Endocrinology; Hospital of Lithuanian University of Health Science, Kaunas Clinics; Kaunas Lithuania