Affiliation: | 1 Harold Simmons Center for Kidney Disease Research and Epidemiology, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA;2 Department of Epidemiology, UCLA School of Public Health, Los Angeles, CA;3 Department of Pharmacy, Harbor-UCLA Medical Center, Torrance, CA;4 DaVita Inc, El Segundo, CA;5 Salem Veterans Administration Medical Center, Salem, VA |