1. Fürst Medical Laboratory, Oslo, Norway;
2. Department of Medical Biochemistry, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway;
3. Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway;
4. The Molecular Pathology Laboratory, Department of Pathology, Oslo University Hospital, Oslo, Norway;
5. Department of Immunology and Transfusion Medicine St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway;
6. The Hormone Laboratory, Department of Medical Biochemistry, Oslo University Hospital, Oslo, Norway