1. Department of Biological Sciences (J.M.A., C.E.F.), Dornsife College, Los Angeles, California 90089
2. Davis School of Gerontology (A.W., I.R., S.W.L., T.E.M., C.E.F.), University of Southern California, Los Angeles, California 90089
3. Geffen School of Medicine (A.W.), University of California, Los Angeles, Los Angeles, California 90095