1. Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA.
2. Weill Cornell Medical College, New York, NY 10065, USA.
3. Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
4. Laboratory of Molecular Genetics and Immunology, The Rockefeller University, New York, NY 10065, USA.
5. Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA.
6. Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
7. Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
8. Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
9. Howard Hughes Medical Institute.