About the Authors

Elaine M. Beller, Paul P. Glasziou
Centre for Research in Evidence-Based Practice, Bond University, Gold Coast, Australia

Douglas G. Altman, Sally Hopewell
Centre for Statistics in Medicine, University of Oxford, Oxford, United Kingdom

Sally Hopewell
INSERM, Paris, France

Hilda Bastian
National Center for Biotechnology Information, National Library of Medicine, Washington DC, United States of America

Iain Chalmers
James Lind Initiative, Oxford, United Kingdom

Peter C. Gøtzsche
Nordic Cochrane Centre, Copenhagen, Denmark

Toby Lasserson, David Tovey
Cochrane Editorial Unit, London, United Kingdom

Corresponding Author


Competing Interests

TL is employed by The Cochrane Collaboration. TL is an editor (unpaid) for the Cochrane Airways Group. The authors have declared that no other competing interests exist.

Author Contributions

Analyzed the data: EMB. Wrote the first draft of the manuscript: EMB. Contributed to the writing of the manuscript: EMB PPG DGA SH HB IC PCG TL DT. ICMJE criteria for authorship read and met: EMB PPG DGA SH HB IC PCG TL DT. Agree with manuscript results and conclusions: EMB PPG DGA SH HB IC PCG TL DT.