Appropriate acknowledgements was not given to NIHR Biomedical Research Center Oxford in the January 2009 issue of International Journal of Technology Assessment in Health Care (Reference Weatherly, Griffin and Mc Daid1). The author Robert J. O. Davies, who passed away in late 2010, was funded in part by the NIHR Biomedical Research Centre Oxford. The authors would like to add the following acknowledgment to the article:
We would like to acknowledge the support of the NIHR Biomedical Research Centre Oxford.