Nucleic Acids Res. (2008) 36, e13
The Publisher would like to apologize for the error in the Methods Online paper above, in which a reference was not cited.
Reference 18 in the first instance text should refer to:
Shah,S.P., Lam,W.L., Ng,R.T. and Murphy,K.P. (2007) Modeling recurrent DNA copy number alterations in array CGH data. Bioinformatics, 23, i450–i458.
All other instances of reference 18 refer to the correct citation.
