Erratum to: J Mol Neurosci

DOI 10.1007/s12031-011-9560-0

The original version of this article unfortunately contained a mistake. The change is underlined as follows.

Discussion

Enteric dopaminergic neurons represent only a small portion of enteric neurons, and enteric non-dopaminergic neurons could also be damaged during the progression of PD (Zhu et al. 2011; Zhao et al. 2011).