1. Department of Renal Medicine; Aarhus University Hospital; Aarhus C Denmark
2. Department of Clinical Medicine; Faculty of Health; Aarhus University; Aarhus C Denmark
3. Medical Research Laboratory; Department of Clinical Medicine; Faculty of Health; Aarhus University; Aarhus C Denmark
4. Department of Endocrinology and Internal Medicine; Aarhus University Hospital; Aarhus C Denmark
5. Department of Internal Medicine; Viborg Regional Hospital; Viborg Denmark
6. Department of Biostatistics; Aarhus University; Aarhus C Denmark