Department of Pharmacology (H.L., J.T.) and Biomedical Sciences Graduate Program (T.H.S.), School of Medicine, University of California, San Diego, La Jolla, California; and Department of Mechanical and Biomedical Engineering, University of Michigan, Ann Arbor, Michigan (A.P.L.)

Department of Pharmacology (H.L., J.T.) and Biomedical Sciences Graduate Program (T.H.S.), School of Medicine, University of California, San Diego, La Jolla, California; and Department of Mechanical and Biomedical Engineering, University of Michigan, Ann Arbor, Michigan (A.P.L.)

Department of Pharmacology (H.L., J.T.) and Biomedical Sciences Graduate Program (T.H.S.), School of Medicine, University of California, San Diego, La Jolla, California; and Department of Mechanical and Biomedical Engineering, University of Michigan, Ann Arbor, Michigan (A.P.L.)

Department of Pharmacology (H.L., J.T.) and Biomedical Sciences Graduate Program (T.H.S.), School of Medicine, University of California, San Diego, La Jolla, California; and Department of Mechanical and Biomedical Engineering, University of Michigan, Ann Arbor, Michigan (A.P.L.)

Department of Pharmacology (H.L., J.T.) and Biomedical Sciences Graduate Program (T.H.S.), School of Medicine, University of California, San Diego, La Jolla, California; and Department of Mechanical and Biomedical Engineering, University of Michigan, Ann Arbor, Michigan (A.P.L.)