Table 1 Model parameters.

Least square fit of the parameters in the model to the data. Error bars are estimated using bootstrapping.

ahistoryalinkadeathsayears
0.83 ± 0.040.05 ± 0.023.3 × 10−9 ± 2.2 × 10−9−2.0 × 10−8 ± –1.5 × 10−8
acategoryalinkeda0
0.0 × 10−7 ± 8.7 × 108.2 × 10−6 ± 3.9 × 10−61.5 × 10−6 ± 0.8 × 10−6