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Publisher's Note: Minor corrections to Table 1 and to Figures 2&3

Posted by mdeger on 10 Jun 2013 at 08:41 GMT

Unfortunately, the following errors appeared in Table 1 of the published paper:
1) The displayed standard deviation of the number of potential synaptic contacts was erroneously computed as the square root of the second moment of the distribution instead of the variance. This error did not influence any other part of the study. The correct numbers are given below.
2) At the typesetting stage, the Figure numbers given in the Table were decremented by 1. The corrected numbers are given below.

Lines 3 and 4 of Table 1 should correctly read:
Connection L4-L2/3 L5-L5 L4-L4
<N> [1] 4.040 +/- 2.963 5.998 +/- 4.183 4.368 +/- 3.102
displayed in Fig. 2a Fig. 2b Fig. 3a Fig. 2c Fig. 3b

Moreover, Figures 2&3, a4,b4,(c4) (row 4) display the intermediate outcome of the parameter optimization after 25000 function evaluations. At this point the optimization typically has not yet reached convergence. Only the best parameter sets at this stage (marked in blue) were subsequently optimized until convergence was reached, to obtain the best-fit parameters which are given in Table 1. These best-fit models are shown in the remaining graphics in Figures 2&3.

We regret that these corrections had to be made and apologize for the inconvenience.

No competing interests declared.