[1
]From the Research Center for Advanced Science and Technology (T.M., T.K.), University
of Tokyo, Japan; Department of Molecular Medicine (T.M., W.C.A., R.D.R.), Beth Israel
Deaconess Medical Center/Harvard Medical School, Boston, Mass; and Department of Biology
(J.A.K., V.E., R.D.R.), Massachusetts Institute of Technology, Cambridge, Mass.