In the published article referenced below, an error occurred regarding reference number 47. The correct reference citation is: 47Reesink FE, Lemstra AW, van Dijk KD, et al. CSF alpha-synuclein does not discriminate dementia with Lewy bodies from Alzheimer's disease. J Alzheimers Disord 2010;22:87-95. We apologize for the oversight and any inconvenience this has caused.