University of Turku, Lund University, Lund University, Statens Serums Institut - Department of Epidemiology Research, Lund University, University of Turku, University of Turku - Research Centre for Integrative Physiology and Pharmacology, University of Oulu, University of Oulu, Tampere University - Tampere University Hospital, Lund University, Lund University, Lund University, Lund University, Lund University - Department of Clinical Sciences, University of Helsinki - Pediatric Research Center, JDRF International, JDRF International, Lund University, Lund University - Department of Clinical Sciences and Independent