Acknowledgements
We gratefully acknowledge the patients who participated in this trial, the local investigators and site staff. In addition, we would like to thank the Independent Data Monitoring Committee, the Trial Steering Committee, Cancer Research UK who provided funding, Lymphoma Research Trust and the NCRI Lymphoma clinical studies group.
Potential conflict of interest
Disclosure forms provided by the authors are available with the full text of this article at http://dx.doi.org/10.3109/10428194.2015.1133814.