Table 1. Initial values, lower and upper bounds of the fitting parameters.

Parameter	Initial value	Lower bound	Upper bound
WF	0.8	0.6	0.95
Hbb(g/dL)	10	0	60
HbO2b(g/dL)	40	0	80
A (mm−1)	1	0	1.3
α	2.7	0.6	4.0