Joanne E McKenzie1
, Simon D French1
, Denise A O'Connor1
, Jeremy M Grimshaw2,3
, Duncan Mortimer4,5
, Susan Michie6
, Jill Francis7
, Neil Spike8
, Peter Schattner8
, Peter M Kent8,9,10
, Rachelle Buchbinder9,10
and Sally E Green1 
1Monash Institute of Health Services Research, Monash University, Melbourne, Australia
2Clinical Epidemiology Program, Ottawa Health Research Institute, Ottawa, Canada
3Department of Medicine, University of Ottawa, Ottawa, Canada
4Centre for Health Economics, Faculty of Business & Economics, Monash University, Melbourne, Australia
5Health Economics, Division of Health Sciences, University of South Australia, Adelaide, Australia
6Department of Psychology, University College London, UK
7Health Services Research Unit, University of Aberdeen, Scotland, UK
8School of Primary Health Care, Monash University, Australia
9Monash Department of Clinical Epidemiology, Cabrini Hospital, Australia
10Department of Epidemiology and Preventive Medicine, Monash University, Australia