1. Radosław Motkowski, Department of Pediatrics, Rheumatology, Immunology and Metabolic Bone Diseases of the Medical University of Białystok 2. Faculty of Medicine of the Medical University of Białystok – 1999, PhD thesis – 2004, certified pediatrician - 2006, certified clinical immunologist - 2012 3. Research and teaching employee of the Department of Pediatrics, Rheumatology, Immunology and Metabolic Bone Diseases of the Medical University of Białystok – since 2001; consultant at the University Children's Clinical Hospital in Białystok – since 2012 4. Scientific interests - issues related to the safety of nutritional treatment, lipid disorders and inborn errors of immunity 5. Member of the Polish Pediatric Society, the Polish Society of Clinical and Experimental Immunology, the Polish Lipidological Society and the European Atherosclerosis Society (EAS)