1. From the Departments of Medical Biophysics (M.N., Y.F., K.N., F.W., L.C., G.M., A.K.) and Pathology and Laboratory Medicine (A.K.), British Columbia Cancer Agency, Vancouver; and Department of Pathology and Laboratory Medicine (M.N., Y.F., A.K.) and Experimental Medicine Program (K.N., L.C., G.M., A.K.), University of British Columbia, Vancouver, Canada.