1. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
2. Health Sciences and Technology, Harvard University and Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
3. Vaccine and Immunotherapy Center, The Wistar Institute, Philadelphia, PA 19104, USA.
4. International AIDS Vaccine Initiative Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA 92037, USA.
5. Center for HIV/AIDS Vaccine Immunology and Immunogen Discovery, The Scripps Research Institute, La Jolla, CA 92037, USA.
6. Biological Sciences and the Institute for Life Sciences, University of Southampton, Southampton SO17 1BJ, UK.
7. Immunology and Microbial Science, The Scripps Research Institute, La Jolla, CA 92037, USA.
8. The Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA 02139, USA.
9. Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
10. Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.