[1] Duke Univ, Med Ctr, Dept Surg, Durham, NC 27710 USA
[2] Duke Univ, Med Ctr, Dept Biomed Engn, Durham, NC 27710 USA
[3] Duke Univ, Med Ctr, Dept Med, Durham, NC 27710 USA
[4] Univ Penn, Dept Bioengn, Philadelphia, PA 19104 USA
[5] Louisiana State Univ Syst, Pennington Biomed Res Ctr, Stem Cell Lab, Baton Rouge, LA 70808 USA