1. Division of Nephrology, Bone and Mineral Metabolism, University of Kentucky, Lexington, Kentucky 40536
2. Department of Health and Kinesiology, Texas A&M University, College Station, Texas 77843
3. Department of Anatomy and Cell Biology, Indiana University School of Medicine, Indianapolis, Indiana 46202
4. Department of Nuclear Engineering, Texas A&M University, College Station, Texas 77843
5. Department of Nutrition and Food Science, Texas A&M University, College Station, Texas 77843