1. Kidney Research Institute and Division of Nephrology, Department of Medicine, University of Washington, Seattle
2. Department of Biostatistics, University of Washington, Seattle
3. Kidney Research Institute and Division of Nephrology, Department of Medicine, University of Washington, Seattle3Providence Health Care, Spokane, Washington4Institute of Translational Health Sciences, University of Washington School of Medicine, Seattle
4. Department of Epidemiology, University of Washington, Seattle
5. Kidney Research Institute and Division of Nephrology, Department of Medicine, University of Washington, Seattle5Department of Epidemiology, University of Washington, Seattle