Systems Biology Centre, University of Warwick, Coventry, United Kingdom. N.J.Burroughs@warwick.ac.uk|Systems Biology Centre, University of Warwick, Coventry, United Kingdom. N.J.Burroughs@warwick.ac.uk|Systems Biology Centre, University of Warwick, Coventry, United Kingdom. N.J.Burroughs@warwick.ac.uk|Systems Biology Centre, University of Warwick, Coventry, United Kingdom. N.J.Burroughs@warwick.ac.uk|Systems Biology Centre, University of Warwick, Coventry, United Kingdom. N.J.Burroughs@warwick.ac.uk|Systems Biology Centre, University of Warwick, Coventry, United Kingdom. N.J.Burroughs@warwick.ac.uk