Department of Radiology and Biomedical Imaging (C.Y., D.M., J.Y., A.L., C.L., T.M., C.S., B.K., A.P., M.W.W., S.W.H.) and Department of Bioengineering and Therapeutic Sciences (S.R.), University of California, San Francisco, 505 Parnassus Ave, L-351, San Francisco, CA 94143-0628; and Department of Chemical and Biomolecular Engineering, University of California, Berkeley, Berkeley, Calif (H.J.O.).
For members of the ChemoFilter Consortium, please see the Acknowledgments.