1. Biophysics Graduate Group, University of California, Berkeley, Berkeley, CA
2. Department of Biophysics, University of Texas Southwestern Medical Center, Dallas, TX
3. Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX
4. Molecular and Cell Biology Graduate Program, University of California, Berkeley, Berkeley, CA
5. Howard Hughes Medical Institute, University of California, Berkeley, Berkeley, CA
6. Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, CA
7. Department of Molecular Genetics, Center for Medical Biotechnology, University of Duisburg-Essen, Essen, Germany
8. Department of Molecular Biology and California Institute for Quantitative Biosciences, University of California, Berkeley, Berkeley, CA