1. Human Genomics Laboratory, Pennington Biomedical Research Center (R.J.F.L., T.R., C.B.), Baton Rouge, Louisiana 70808;
2. School of Physical and Health Education and Department of Community Health and Epidemiology, Queen’s University (P.T.K.), Kingston, Ontario, Canada;
3. Division of Biostatistics (D.C.R., T.R.),
4. Departments of Genetics and Psychiatry (D.C.R.), Washington University School of Medicine, St. Louis, Missouri 63110;
5. School of Kinesiology University of Minnesota (A.S.L.), Minneapolis, Minnesota 55455;
6. Department of Kinesiology, Indiana University (J.S.S.), Bloomington, Indiana 47405;
7. Department of Health and Kinesiology, Texas A&M University (J.H.W.), College Station, Texas 77845