Correction to: Leukemia 2006; 20: 1892–1895. doi:10.1038/sj.leu.2404348

It has been identified by the authors that there has been an error in the sequence of author names.

The correct sequence is as follows:

I Houtenbos, TM Westers, CJ Hess, Q Waisfisz, GJ Ossenkoppele and AA van de Loosdrecht.

The authors apologize for any inconvenience caused.