Table 3.

Model reaction to a 10%-perturbation of the fitting parameters

	$\delta P$(2 weeks)	$\delta P$ (4 weeks)	$\delta P$ (6 weeks)	$\delta P$ (8 weeks)
$\delta \alpha =+10\%$	2%	26%	35%	38%
$\delta R_0=+10\%$	43%	46%	47%	47%
$\delta R_{\infty }=+10\%$	0%	8%	16%	21%