We apologise for two hazard ratio inversions that do not change the signification of the results and the conclusions of our work.
In table 4, immune metagene row, first multivariate analysis, readers should read "0.47 [0.29-0.76]".
In table 5, immune metagene row, readers should read "0.45 [0.29-0.69]".
corrections in tables
4 November 2011
We apologise for two hazard ratio inversions that do not change the signification of the results and the conclusions of our work.
In table 4, immune metagene row, first multivariate analysis, readers should read "0.47 [0.29-0.76]".
In table 5, immune metagene row, readers should read "0.45 [0.29-0.69]".
Competing interests
The authors declare no conflict of interest