1. 1Department of Molecular Medicine and SurgeryKarolinska Institutet, and Department of Endocrinology, Diabetes and Metabolism, Karolinska University Hospital, Stockholm, Sweden
2. 2Department of Molecular Medicine and SurgeryKarolinska Institutet, Stockholm, Sweden
3. 3Department of Clinical ScienceUniversity of Bergen, Bergen, Norway
4. 4Department of MedicineHaukeland University Hospital, Bergen, Norway
5. 5Department of Medicine (Solna)Centre for Molecular Medicine, Karolinska Institutet, and Department of Endocrinology, Diabetes and Metabolism, Karolinska University Hospital, Stockholm, Sweden