About the Authors

Sally Hopewell, Mike Clarke
UK Cochrane Centre, Oxford, United Kingdom

Sally Hopewell, Douglas G Altman
Centre for Statistics in Medicine, Wolfson College, Oxford University, Oxford, United Kingdom

Mike Clarke
School of Nursing and Midwifery, Trinity College Dublin, Dublin, Ireland

David Moher
Chalmers Research Group, Children's Hospital of Eastern Ontario Research Institute, Ottawa, Canada

David Moher
Department of Epidemiology and Community Medicine, Faculty of Medicine, University of Ottawa, Ottawa, Canada

Elizabeth Wager
Sideview, Princes Risborough, United Kingdom

Philippa Middleton
Discipline of Obstetrics and Gynaecology, The University of Adelaide, Adelaide, Australia

Kenneth F Schulz
Family Health International, Research Triangle Park, North Carolina, United States of America

Corresponding Author

shopewell@cochrane.co.uk

Competing Interests

All authors are involved in many initiatives in health care and healthcare research which should benefit from a wide uptake of the CONSORT for Abstracts statement.

Author Contributions

SH, MC, DM, EW, and PM were involved in the design, implementation, analysis of the study, and in writing and commenting on drafts on the final manuscript. DGA and KFS were involved in the analysis of the study and commenting on drafts on the final manuscript.