Prof. Sanja Kolaček (MD, PhD), as a paediatric gastroenterologist and as the founder of the Croatian Coeliac Society, will bring clinical knowledge and expertise on CD. Moreover, as the co-author of several European guidelines and recommendations (i.e. Feeding in acute diarrhoea, H. pylori infection in children, Diagnosis & treatment of IBD, ESPGHAN / ESPEN evidence based guidelines on parenteral nutrition in children) she will assist in the development of European preventive and therapeutic strategies based on the results of this project.