Correction to: Leukemia (2007) 21, 627–632. doi:10.1038/sj.leu.2404562

Since the publication of the above paper, the authors have detected a minor error that has no impact on their conclusion.

Please note that the last sentence on page 629 ‘Corresponding mean total doses for the ITT population were 532 000 and 629 000 IU (P=0.059), respectively.’ should be corrected to ‘Corresponding mean total doses for the ITT population were 483 000 and 597 000 IU (P=0.060), respectively.’

The authors apologize for any inconvenience caused.