1. Department of Endocrinology, Skåne University Hospital, Malmö, Lund University, Malmö, Sweden
2. Department of Endocrinology, Metabolism and Diabetes, Karolinska University Hospital, Stockholm, Sweden
3. Department of Molecular Medicine and Surgery, Stockholm, Sweden
4. Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
5. Department of Clinical Physiology and Nuclear Medicine, Skåne University Hospital, Lund, Sweden