1. Department of Bioengineering, Stanford University School of Medicine, Stanford, CA 94305, USA.
2. Biophysics Graduate Program, Stanford University, Stanford, CA 94305, USA.
3. Department of Immunology and Microbiology, Stanford University School of Medicine, Stanford, CA 94305, USA.
4. VA Palo Alto Health Care System, Palo Alto, CA 94304, USA.
5. Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA.
6. Department of Pediatrics, Stanford University School of Medicine, Stanford, CA 94305, USA.
7. Department of Medicine, University of Chicago Pritzker School of Medicine, Chicago, IL 60637, USA.
8. Howard Hughes Medical Institute.
9. Department of Applied Physics, Stanford University, Stanford, CA 94305, USA.
10. Department of Biology, Stanford University, Stanford, CA 94305, USA.