Table 1.

Elemental compositions of materials which are used in our simulation study. The data of vitreous and tumor are taken from Lesperance et al.’s work [20].

		Material compositions
		Vitreous	Tumor	water
Elemental mass fraction	H	0.1109	0.0940	0.1119
	C	-	0.2120	-
	N	-	0.0560	-
	O	0.8804	0.6150	0.8881
	Na	0.0038	0.0025	-
	P	-	0.0051	-
	S	-	0.0064	-
	Cl	0.0045	0.0039	-
	K	0.0003	0.0051	-
Density (gr cm-3)		1.0071	1.040	1