Before revision:  We find that  the axonal initiation site position is not sufficient to generate an ultrafast response and reproduce the high bandwidth observed in cortical neuron populations .
After revision:  We find that placing the initiation site at different axonal positions has only a weak impact on the linear response function of the model. It fails to generate the axonal initiation site position is not sufficient to generate an ultrafast response and reproduce the high bandwidth observed in cortical neuron populations .