doi:10.1017/S2040174410000243, published by Cambridge University Press, 10 May 2010
We regret to announce that the acknowledgements section on page 201 was incomplete. The following sentence should also have been included:
This study was supported by the Intramural Research Program of the NIH and the National Cancer Institute and the Intra-Agency Agreement between the National Institute of Allergy and Infectious Diseases (USA) and the National Cancer Institute, NIAID agreement #Y2-Al-5077 and NCI agreement #Y3-CO-5117.