1. Department of Molecular Cellular and Developmental Biology, Yale University, 219 Prospect Street, New Haven, CT 06511, USA.
2. Systems Biology Institute, Yale University, 850 West Campus Drive, West Haven, CT 06516, USA.
3. Interdepartmental Program in Computational Biology and Bioinformatics, Yale University, 300 George Street, Suite 501, New Haven, CT 06511, USA.
4. Department of Physics, Yale University, 217 Prospect Street, New Haven, CT 06511, USA.