From the 1School of Health, Physical Education, and Leisure Services, University of Northern Iowa, Cedar Falls; 2Nutrition & Wellness Research Center, Department of Food Science & Human Nutrition, and 3Department of Statistics, Iowa State University, Ames, IA; and 4US Department of Agriculture, Agricultural Research Service, Western Human Nutrition Research Center, University of California, Davis, CA.
Received September 18, 2009; revised and accepted November 3, 2009.
Funding/support: The overall project described here was supported by a grant (R01 AR046922) from the National Institute of Arthritis and Musculoskeletal and Skin Diseases. The project was also supported by a grant from the National Institute of Environmental Health Sciences and the Office of Dietary Supplements (P01 ES012020) and from the National Center of Complementary and Alternative Medicine and Office of Dietary Supplements of the National Institutes of Health (95P50AT004155). The project was supported by the US Department of Agriculture, Agricultural Research Service, Western Human Nutrition Research Center, and the Clinical & Translational Science Center, Clinical Research Center at the University of California (1M01RR19975-01), and the National Center for Medical Research (UL1 RR024146). The content and views expressed in this article are the sole responsibility of the authors and do not necessarily represent the official views of these funding agencies. Funding agencies did not play a role in data collection, management, analysis, or interpretation; or in manuscript preparation or review.
Author contributions: Study concept and design and secured funding: Alekel, Matvienko; acquisition of data: Alekel, Matvienko, Ritland, Van Loan; study supervision: Alekel, Van Loan; administrative, technical support: Alekel, Van Loan; statistical analysis and support and writing of statistics section: Genschel, Koehler; interpretation of data: Alekel, Genschel, Matvienko; drafting of manuscript: Alekel, Matvienko; critical revision of manuscript for important intellectual content: Alekel, Genschel, Matvienko; and final approval of manuscript: Alekel, Genschel, Koehler, Matvienko, Ritland, Van Loan.
Financial disclosure/conflicts of interest: None reported.
Trial Registration-NIH clinicaltrials.gov Identifier: NCT00043745.
Address correspondence to: Oksana A. Matvienko, PhD, School of Health, Physical Education, and Leisure Services, University of Northern Iowa, 203 Wellness/Recreation Center, Cedar Falls, IA 50614-0241. E-mail: [email protected]
