1. Metabolomics Core, Mayo Clinic, Rochester, Minnesota 55905, United States
2. Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota 55905, United States
3. Proteomics Core, Mayo Clinic, Rochester, Minnesota 55905, United States
4. Department of Quantitative Health Sciences, Center for Individualized Medicine, Mayo Clinic, Rochester, Minnesota 55905, United States
5. Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, Minnesota 55905, United States