[1] Ragon Inst Mass Gen MIT & Harvard, 600 Main St, Cambridge, MA 02139 USA
[2] MIT, Dept Chem Engn, 77 Massachusetts Ave,Room 66-350, Cambridge, MA 02139 USA
[3] Univ Kansas, Dept Pharmaceut Chem, 2093 Constant Ave, Lawrence, KS 66045 USA
[4] Univ Kansas, Bioengn Grad Program, 1530 W 15th St, Lawrence, KS 66045 USA