| Affiliation: | 1. Division of Nephrology, Vanderbilt University Medical Center, Nashville, Tennessee;2. Division of Nephrology, Clinical Science Research & Development, Veterans Administration Tennessee Valley Healthcare System, Nashville, Tennessee;1. Department of Medicine, University of Utah School of Medicine, Salt Lake City, Utah;2. VA Healthcare System, Salt Lake City, Utah;1. Department of Medicine, University of California–San Francisco, San Francisco, California;2. Nephrology Section, San Francisco VA Medical Center, San Francisco, California |
