Author Contributions: Dr Hedayati had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Hedayati, Toto, Trivedi, Rush.
Acquisition of data: Hedayati, Afshar.
Analysis and interpretation of data: Hedayati, Minhajuddin, Toto, Trivedi, Rush.
Drafting of the manuscript: Hedayati, Afshar.
Critical revision of the manuscript for important intellectual content: Hedayati, Minhajuddin, Toto, Trivedi, Rush.
Statistical analysis: Minhajuddin, Hedayati.
Obtaining funding: Hedayati.
Study supervision: Hedayati, Toto, Trivedi.
Financial Disclosure: Dr Rush reported receiving consulting fees from Advanced Neuromodulation Systems, AstraZeneca, Best Practice Project Management, Bristol-Myers Squibb/Otsuka, Cyberonics, Forest Pharmaceuticals, Gerson Lehrman Group, GlaxoSmithKline, Jazz Pharmaceuticals, Magellan Health Services, Merck & Company, Neuronetics, Novartis Pharmaceuticals, Ono Pharmaceuticals, Organon, Otsuka Pharmaceuticals, Pamlab, Pfizer, Transcept Pharmaceuticals, Urban Institute, and Wyeth Ayerst; speaking fees from Cyberonics Inc, Forest Laboratories, GlaxoSmithKline, and Otsuka; royalties from Guilford Publications and Healthcare Technology Systems; and research support from the National Institute of Mental Health and the Stanley Medical Research Institute. He also reported owning shares of stock in Pfizer.
Funding/Support: This work was supported by grants from the Veterans Integrated Systems Network 17 and the VA North Texas Health Care System Research Corporation, which were used for the design and conduct of the study and collection, management, and analysis of data; and grant P30DK079328 to the University of Texas Southwestern Medical Center O’Brien Kidney Research Core Center (pilot and feasibility awarded to Susan Hedayati, MD), which was used for the analysis and interpretation of data and preparation of the manuscript. This work also was supported by National Institutes of Health grant 2K24DK002818-0 (awarded to Robert Toto, MD), which was used for the preparation and review of the manuscript. Support for Dr Rush was provided by the Rosewood Corporation Chair in Biomedical Science.
Role of the Sponsor: None of the funding agencies had any role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; or in the preparation, review or approval of the manuscript.
Disclaimer: The views expressed here are those of the authors and do not necessarily represent the views of the Department of Veterans Affairs.
Previous Presentation: The results of this study were presented in abstract form at the American Society of Nephrology 41st Annual Meeting; November 8, 2008; Philadelphia, Pennsylvania.