1. Department of Nephrology; Rigshospitalet, University of Copenhagen; Copenhagen Denmark
2. Clinical Metabolomics Core Facility; Clinical Biochemistry, Rigshospitalet; University of Copenhagen; Copenhagen Denmark
3. Department of Nephrology; Odense University Hospital; Odense Denmark
4. Department of Nephrology; Herlev Hospital; University of Copenhagen; Copenhagen Denmark
5. Department of Endocrinology; Rigshospitalet, University of Copenhagen; Copenhagen Denmark