The CLEF Project Investigators: Open University Computing Department (Prof Donia Scott and Dr Richard Power) University of Cambridge Judge Institute for Management Studies (Prof Don Detmer and Dr Peter Singleton) University College London CHIME (Prof David Ingram and Dr Dipak Kalra) University of Manchester Medical Informatics Group (Prof Alan Rector) Imaging Science and Biomedical Engineering (Prof Chris Taylor and Dr Heather Heathfield) Cathie Marsh Centre for Census and Survey Research (Dr Mark Elliot) University of Sheffield Natural Language Processing Group (Dr Rob Gaizauskas and Dr Mark Hepple) Royal Marsden Hospital Information Directorate (Dr. Jo Milan)
	Collaborators and significant supporters: Commercial AstraZeneca GlaxoSmithKline BMJ Publishing Group Clinical Evidence CSW Informatics iSoft plc Sun Microsystems Limited UK National Health Service NHS Information Authority Stakeholder Relations Camden & Islington Health Authority Central Manchester and Manchester Childrens' Health Authority Royal Brompton and Harefield NHS Trust Academic University of Cambridge Dr Lowrance, Dr Pearl University College London Prof Wallace (Primary Care & Population Studies), Prof Shapira (Clinical Neuroscience), Prof Begent (Oncology), Dr Nagl University of Freiburg Prof Udo Hahn (Computational Linguistics Lab) University of Manchester Prof Jackson (Neuroradiology), Prof Goble (myGrid Director)