Table 2.

Parameter values for epigenetic model.

Parameter	Value	Probability	Transition
k 1	0.28	k 1 X	O → I
		k 1 X	I → C
k 2	0.20	k2N + k3R	C → I
k 3	0.20	k2N + k3R	I → O
α	0.002	α	O → I	if mediated by C
β	0.002	β	I → C	if mediated by C
γ	0.0005	γ	I → O	if mediated by O
δ	0.0005	δ	C → I	if mediated by O
ε	0.002	ε	I → C	if mediated by I