[1] Washington Univ, Sch Med, Dept Pathol & Immunol, St Louis, MO 63110 USA
[2] Washington Univ, Sch Med, Howard Hughes Med Inst, St Louis, MO 63110 USA
[3] NYU, Program Mol Pathogenesis, Skirball Inst Biomol Med, New York, NY 10016 USA
[4] NYU, Dept Pathol, New York, NY 10016 USA
[5] MIT, Dept Chem Engn, Dept Chem, Div Biol Engn, Cambridge, MA 02139 USA