Best-fit model parameter values and comparison of model fit qualities.

The results for four model versions (standard = TE + NTE, Eq (2); TE-only = NTE parameters b and q were set to zero; NTE-only = TE parameter a was set to zero; TDR = time-dependent dose rate, Eq 14) are arranged in columns. ΔAICc and Akaike weight are information theoretic metrics of relative model performance: the model with the highest support from the data among all tested models has the lowest ΔAICc and the highest weight. Details are discussed in the main text.