1. Department of Laboratory Medicine, Division of Clinical Pharmacology, Karolinska University Hospital Huddinge, Karolinska Institutet , Stockholm , Sweden
2. Department of Clinical Science and Education at Södersjukhuset, Karolinska Institutet , Stockholm , Sweden
3. School of Medicine, The University of Notre Dame , Sydney, NSW , Australia
4. Department of Molecular Medicine and Surgery, Karolinska Institutet , Stockholm , Sweden
5. Department of Endocrinology, Karolinska University Hospital , Stockholm , Sweden