1. Department of Applied Physics, Yale University, New Haven, CT 06511
2. Integrated Graduate Program in Physics Engineering Biology, Yale University, New Haven, CT 06511
3. Department of Physics, Yale University, New Haven, CT 06511
4. Department of Cell Biology, Yale School of Medicine, New Haven, CT 06520
5. Department of Molecular, Cell and Developmental Biology, Yale University, New Haven, CT 06511