DESCRIPTION: PK + repeated event 

[LONGITUDINAL]
input  = {ka, V, Cl, gamma, beta}  

EQUATION:
Cc = pkmodel(ka, V, Cl)
if t<0.1
  aux=0
else
  aux = gamma*Cc*(t^(beta-1))
end

DEFINITION:
Hemorrhaging  = {type=event, hazard=aux}

