Table 1. Transitions in the stochastic model.

#	Transition	Transition propensity	Process
1			symmetric division (self-renewal)
2			asymmetric division (self-renewal)
3			symmetric differentiation
4			death
5			renewal
6			differentiation to
7			differentiation to
8			death
9			differentiation
10			death
11			differentiation
12			death
13			death
14			death

The time-dependence of the state variables has been explicitly stated in the transition propensities to differentiate the state variables from parameters.