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It has been drawn to our attention by Vincent Keng that the image in the bottom-left frame of Fig. 1c of this Letter presents identical data to the one above it on the right. A mistake made by the authors during compilation of Fig.1 caused the wrong bottom-left image to be used instead of the correct image, which is shown below. The results presented in this replacement micrograph do not alter the conclusions of our study.
The online version of the original article can be found at 10.1038/nature02583
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Neurochemical Research (2016)