1. Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden.
2. Department of Endocrinology, Metabolism and Diabetes, Karolinska University Hospital, Stockholm, Sweden.
3. Department of Clinical Physiology and Nuclear Medicine, Copenhagen University Hospital—Rigshospitalet, Copenhagen, Denmark.
4. Department of Endocrinology, Skåne University Hospital, Malmö, Sweden.
5. Department of Clinical Sciences, Lund University, Lund, Sweden.
6. Department of Endocrinology, Uppsala University Hospital, Uppsala, Sweden.
7. Department of Medical Sciences, Uppsala University, Uppsala, Sweden.
8. Faculty of Medicine and Health, Örebro University Hospital, Örebro, Sweden.
9. ANOVA, Karolinska University Hospital, Stockholm, Sweden.
10. Department of Medicine, Huddinge, Karolinska Institutet, Stockholm, Sweden.