Pediatric Diabetes Research Group (PEDIA) led by Professor Mikael Knip has contributed to the present understanding of the diabetic disease process and reported important findings in the area of type 1 diabetes prediction and prevention. PEDIA has experience from large scale international research projects focusing on humoral and cellular immunity, microbiome and environmental factors such as viruses and the role of diet in the development of beta-cell autoimmunity and type 1 diabetes.