Quality and Safety in Health Care 2009;18 (Suppl 1)
This supplement is focused on the methods, results and recommendations from the research project "Methods of Assessing Response to Quality Improvement Strategies" (MARQuIS). MARQuIS was funded by the Scientific Support to Policies component of the European Union Sixth Framework Research Programme (Contract SP21-CT-2004-513712), and it lasted from January 2004 to June 2008.