1. School of Informatics, BBSRC/EPSRC/MRC Synthetic Biology Research CentreUniversity of EdinburghEdinburghEH8 9AB UK
2. Center for Nonlinear StudiesTheoretical Division (T‐6), Los Alamos National LaboratoryLos AlamosNM 87545 USA
3. School of Life Sciences, BBSRC/EPSRC Warwick Integrative Synthetic Biology CentreUniversity of WarwickCoventryCV4 7AL UK
4. Faculty of Health and Medical SciencesUniversity of SurreyGuildfordGU2 7XH UK