1 Cambridge Computational Biology Institute, Department of Applied Mathematics and Theoretical Physics, University of Cambridge, U.K. 2 SynthSys, C.H. Waddington Building, University of Edinburgh, U.K. 3 Cambridge Systems Biology Centre, University of Cambridge, U.K. 4 Department of Biochemistry, University of Cambridge, U.K. 5 MRC Human Nutrition Research, Elsie Widdowson Laboratory, Cambridge...