Department of Microbiology and Molecular Genetics, Institute for Medical Research Israel-Canada, Faculty of Medicine, The Hebrew University, Jerusalem, Israel.|School of Computer Sciences and Engineering, The Hebrew University, Jerusalem, Israel.|Department of Biomedical Engineering, Boston University, Boston, Massachusetts, United States of America.|Department of Biomedical Engineering, Boston University, Boston, Massachusetts, United States of America.|Department of Applied Mathematics and Statistics, Stony Brook University, Stony Brook, New York, United States of America.|Department of Microbiology and Molecular Genetics, Institute for Medical Research Israel-Canada, Faculty of Medicine, The Hebrew University, Jerusalem, Israel.