About the Authors

Charles Weijer

cweijer@uwo.ca

Affiliations Rotman Institute of Philosophy, Department of Philosophy, Western University, London, Ontario, Canada, Department of Medicine, Western University, London, Ontario, Canada, Department of Epidemiology and Biostatistics, Western University, London, Ontario, Canada

Jeremy M. Grimshaw

Affiliations Rotman Institute of Philosophy, Department of Philosophy, Western University, London, Ontario, Canada, Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada, Department of Medicine, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada

Martin P. Eccles

Affiliation Institute of Health and Society, Newcastle University, Newcastle upon Tyne, United Kingdom

Andrew D. McRae

Affiliations Rotman Institute of Philosophy, Department of Philosophy, Western University, London, Ontario, Canada, Department of Epidemiology and Biostatistics, Western University, London, Ontario, Canada, Division of Emergency Medicine, University of Calgary, Foothills Medical Centre, Calgary, Alberta, Canada

Angela White

Affiliation Rotman Institute of Philosophy, Department of Philosophy, Western University, London, Ontario, Canada

Jamie C. Brehaut

Affiliations Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada, Department of Epidemiology and Community Medicine, University of Ottawa, Ottawa, Ontario, Canada

Monica Taljaard

Membership of the Ottawa Ethics of Cluster Randomized Trials Consensus Group is provided in the Acknowledgments.

Affiliations Rotman Institute of Philosophy, Department of Philosophy, Western University, London, Ontario, Canada, Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada, Department of Epidemiology and Community Medicine, University of Ottawa, Ottawa, Ontario, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Wrote the first draft of the manuscript: CW JMG MPE ADM AW JCB MT. Contributed to the writing of the manuscript: CW JMG MPE ADM AW JCB MT. ICMJE criteria for authorship read and met: CW JMG MPE ADM AW JCB MT. Agree with manuscript results and conclusions: CW JMG MPE ADM AW JCB MT. Contributed to the conception and design of the study and secured funding: CW JMG MPE ADM JCB MT. Conducted the ethical analysis: CW JMG MPE ADM AW JCB MT.