Distribution of best-fit values (, then transport parameters) from the analysis of 1000 mock data for Model A (left panel) and B (right panel), for the biased case (cross sections for the analysis differ from those used to generate mock data). For display purpose, 1D probability distribution functions are estimated using a Gaussian Kernel. The line style and colours indicate the type and configuration of nuisance parameters used (see Table 2). The vertical dashed lines represent true values. See text for discussion.