About the Authors
Centre for Research in Evidence-Based Practice, Bond University, Gold Coast, Australia
Centre for Statistics in Medicine, University of Oxford, Oxford, United Kingdom
INSERM, Paris, France
National Center for Biotechnology Information, National Library of Medicine, Washington DC, United States of America
James Lind Initiative, Oxford, United Kingdom
Nordic Cochrane Centre, Copenhagen, Denmark
Cochrane Editorial Unit, London, United Kingdom
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.
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.