Erratum to: Acta Neuropathol (2007) 114:97–109 DOI 10.1007/s00401-007-0243-4

References 5, 11 and 17 were incorrect. The correct references are given below.

  1. 5.

    Daumas-Duport C, Scheithauer B, O’Fallon J, Kelly P (1988) Grading of astrocytomas. A simple and reproducible method. Cancer 62:2152–1265

  2. 11.

    Giannini C, Scheithauer BW, Burger PC, Christensen MR, Wollan PC, Sebo TJ, Forsyth PA, Hayostek CJ (1999) Cellular proliferation in pilocytic and diffuse astrocytomas. J Neuropathol Exp Neurol 58:46–53

  3. 17.

    Hsu DW, Louis DN, Efird JT, Hedley-Whyte ET (1997) Use of MIB-1 (Ki-67) immunoreactivity in differentiating grade II and grade III gliomas. J Neuropathol Exp Neurol 56:857–865