Affiliation: | 1 Division of Nephrology and Hypertension, Los Angeles Biomedical Research Institute at Harbor-UCLA, Torrance, CA 2 David Geffen School of Medicine at UCLA, Los Angeles, CA 3 Harold Simmons Center for Chronic Disease Research and Epidemiology, Torrance, CA 4 Hatyai Hospital, Hatyai, Thailand 5 Salem Veterans Administration Medical Center, Salem, VA 6 DaVita Inc, El Segundo, CA 7 UCLA School of Public Health, Los Angeles, CA |