Biljana Vuletic, MD, PhD is Associate Professor of Pediatrics at the Faculty of Medical Scineces University of Kragujevac and Chief of the Department of Gastroenterology of Pediatric clinic and a full ESPGHAN member. Dr Vuletic recived her medical degree from the Medical faculty University of Belgrade. She started her residency in Pediatrics at the University Children s Hospital University of Belgrade. Her mainly cliical interests include chronic intestinal failure, Coeliac disease and others autoimunnity disorders and a clinical nutrition. Prof. Vuletić has summary 168 publications including authored or co-authored papers in peer-reviewed journals and also chapters in the national Monographs and Textbooks published in Serbia.