1. Department of Endocrinology and Diabetology, Karolinska Hospital, Stockholm, Sweden
2. Department of Endocrinology, Malmö University Hospital, Malmö, Sweden
3. Department of Medicine, Kristianstad Hospital, Kristianstad, Sweden
4. Department of Ophthalmology, Helsingborg Hospital, Helsingborg, Sweden
5. Department of Medicine, Visby Hospital, Visby, Sweden
6. Department of Medicine, Mälarsjukhuset, Eskilstuna, Sweden
7. Division of Cell Biology, Faculty of Health Sciences, Linköping, Sweden
8. Department of Medicine, Blekingesjukhuset, Karlskrona, Sweden