1. Nephrology and Hypertension Research (T.A.C., M.S.M., H.K., R.K.), Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota 55905;
2. Division of Biomedical Statistics and Informatics (Y.Z., S.M.), Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota 55905;
3. Department of Laboratory Medicine and Pathology (R.J.S.), Mayo Clinic, Rochester, Minnesota 55905;
4. Center for Biophysics and Computational Biology (A.T.M.), University of Illinois, Urbana-Champaign, Urbana, Illinois 61801;
5. Institute for Systems Biology (C.F., N.D.P.), Seattle, Washington 98109-5234
6. Department of Biochemistry and Molecular Biology (S.C.E., R.K.), Mayo Clinic, Rochester, Minnesota 55905;