Table 3 Results of mixed-effects REML regression for the calibration factor CF _dA

 ${\mu }_{\mathrm{C}{\mathrm{F}}_{\mathrm{d}\mathrm{A}}}$

 ${\beta }_{{\mathrm{S}}_{\mathrm{E}\mathrm{F}}}$

 β_Constancy

 ${\sigma }_{\mathrm{C}{\mathrm{F}}_{\mathrm{d}\mathrm{A}}}^2$

 ${\sigma }_{{\gamma }_{\mathrm{B}\mathrm{k}\mathrm{R}}}^2$

 ${\sigma }_{\epsilon }^2$