1. Department of Clinical Science and Education Södersjukhuset Karolinska Institutet Stockholm Sweden
2. Department of Internal Medicine, Section for Diabetes and Endocrinology Södersjukhuset AB Stockholm Sweden
3. Department of Biomedical and Clinical Sciences Crown Princess Victoria Children's Hospital and Div of Pediatrics Linköping Sweden
4. Department of Molecular and Clinical Medicine Institute of Medicine, University of Gothenburg Gothenburg Sweden
5. Department of Medicine NU Hospital Group Uddevalla Sweden
6. Department of Diabetes and Endocrinology Sachsska Childrens'and Youth Hospital Stockholm Sweden