1. 1Clinical and Experimental Endocrinology, Department of Chronic Diseases, Metabolism and Aging, KU Leuven, Leuven, Belgium
2. 2Center for Metabolic Bone Diseases, Geriatrics Department, University Hospitals Leuven, Leuven, Belgium
3. 3Nephrology and Renal Transplantation Research Group, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
4. 4GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
5. 5Department of Clinical Chemistry, University of Liège (ULg CHU), Liège, Belgium
6. 6Kogod Center on Aging and Division of Endocrinology and Metabolism, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA
7. 7Molecular Endocrinology Laboratory, Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium