Retinol, Carotenoids, and risk of Prostate Cancer 1 Serum Retinol and Carotenoid Concentrations and Prostate Cancer Risk: Results from the Prostate Cancer Prevention Trial

Cancer Prevention Fellowship Program, Division of Cancer Prevention, National Cancer Institute, Bethesda, MD 2 SWOG Statistical Center, Fred Hutchinson Cancer Research Center, Seattle, WA Cancer Prevention Program, Fred Hutchinson Cancer Research Center, Seattle, WA Department of Pathology, School of Medicine, University of Colorado Anschutz Medical Campus, Denver CO Prostate and Urologic Cancer Research Group, Division of Cancer Prevention, National Cancer Institute, Bethesda MD 6 Department of Urology, School of Medicine, University of Texas Health Science Center, San Antonio TX 7 Office of the Director, Moores Cancer Center, University of California at San Diego. San Diego CA Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD Department of Urology, and the James Buchanan Brady Urological Institute, Johns Hopkins School of Medicine, Baltimore, MD