1. Department of Clinical and Experimental Medicine, Division of Paediatrics and Diabetes, Research CentreLinköping University Linköping Sweden
2. IFM BiologyLinköping University Linköping Sweden
3. Department of PediatricsCounty Hospital Ryhov Jönköping Sweden
4. Jönköping Academy for Improvement of Health and WelfareJönköping University Jönköping Sweden
5. Department of PediatricsAarhus University Hospital Aarhus Denmark
6. Landspitali University Hospital and Faculty of MedicineUniversity of Iceland Reykjavik Iceland
7. Norwegian Childhood Diabetes Registry, Division of Paediatric and Adolescent MedicineOslo University Hospital Oslo Norway
8. Institute of Clinical MedicineUniversity of Oslo Oslo Norway
9. Herlev University Hospital, CPH‐DirectPediatric Department Herlev Denmark
10. University of CopenhagenFaculty of Health and Medical Science Copenhagen Denmark
11. Department of Medicine and Health Sciences, Division of NursingLinköping University Linköping Sweden