The linear noise approximation for reaction-diffusion systems on networks Malbor Asllani, Tommaso Biancalani, Duccio Fanelli and Alan J. McKane Eur. Phys. J. B, 86 11 (2013) 476 Published online: 18 November 2013 DOI: 10.1140/epjb/e2013-40570-8