1. Department of Chemical and Biomolecular Engineering; Johns Hopkins University; Baltimore Maryland
2. Department of Biomedical Engineering; Johns Hopkins University; Baltimore Maryland
3. Thomas C. Jenkins Department of Biophysics; Johns Hopkins University; Baltimore Maryland
4. Department of Biology; Center for Genomics and Systems Biology, New York University, New York; New York
5. Department of Microbiology and Molecular Genetics; The Hebrew University of Jerusalem; Jerusalem Israel