- Correspondence to Rachel Davis, Clinical Safety Research Unit, Department of Surgery and Cancer, 10th floor, QEQM, St. Mary's Hospital, South Wharf road, London W2 1NY, UK;
- Accepted October 9, 2010
- First published January 12, 2011.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.