Division of Biostatistics, Department of Public Health Sciences, University of California Davis, CA, 95616, USA.|Department of Clinical Chemistry and Laboratory Medicine, Leiden University Medical Center, Leiden, The Netherlands.|Division of Nephrology, Department of Internal Medicine.|Division of Hematology and Oncology, Department of Internal Medicine School of Medicine, University of California, Davis, CA 95616, USA.|Division of Biostatistics, Department of Public Health Sciences, University of California Davis, CA, 95616, USA.