About the Authors
The Microsoft Research-University of Trento Centre for Computational Systems Biology, Rovereto, Italy
The Gurdon Institute, University of Cambridge, Cambridge, United Kingdom
Department of Biophysics and Biochemistry, University of Tokyo, Tokyo, Japan
The authors have declared that no competing interests exist.
Conceived and designed the experiments: FV RECS ACN. Performed the experiments: FV JD AC. Analyzed the data: FV AB AC ACN. Contributed reagents/materials/analysis tools: AB FJ MS. Wrote the paper: FV RECS ACN.