Martin Dawes1
, William Summerskill2
, Paul Glasziou3
, Antonino Cartabellotta4
, Janet Martin5
, Kevork Hopayian6
, Franz Porzsolt7
, Amanda Burls8
and James Osborne9 
1
Department of Family Medicine. McGill University, Montreal, Canada
2
The Lancet, Jamestown Road, London, UK
3
Department of Primary Health Care, Centre for Evidence-Based Practice, Oxford University, Oxford, UK
4
Gruppo Italiano per la Medicina Basata sulle Evidenze (GIMBE), Passaggio L. da Vinci, 16 – 90145 Palermo, Italy
5
London Health Sciences Centre, Department of Physiology & Pharmacology, University of Western Ontario, London, Ontario, Canada
6
School of Medicine, Health Policy and Practice, University of East Anglia Norwich, UK
7
University Hospital Ulm, Clinical Economics, Ulm, Germany
8
Department Public Health and Epidemiology, University of Birmingham, Birmingham UK
9
United Bristol Healthcare Trust, Bristol, UK