1. Departments of Medicine (F.R.S., Y.S.), University of Southern California, Los Angeles, California 90033
2. Division of Biokinesiology (F.R.S., E.T.S.), University of Southern California, Los Angeles, California 90033
3. Jean Mayer U.S. Department of Agriculture Human Nutrition Research Center on Aging, Tufts University (C.C.-S., R.R.), Boston, Massachusetts 02111
4. Department of Medicine (E.F.B., K.E.Y.), Washington University, St. Louis, Missouri 63110
5. Preventive Medicine (Y.W., M.K., S.P.A.), University of Southern California, Los Angeles, California 90033
6. Nutrition (S.B., J.U.), Boston University, Boston, Massachusetts 02215
7. Radiology (P.C.), University of Southern California, Los Angeles, California 90033