About the Authors

Paul Montgomery

Roles Conceptualization, Funding acquisition, Methodology, Project administration, Supervision, Validation, Writing – original draft, Writing – review & editing

p.x.montgomery@bham.ac.uk

Affiliation School of Social Policy, University of Birmingham, Birmingham, United Kingdom

Thees F. Spreckelsen

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

Affiliation Centre for Evidence-based Intervention, Department of Social Policy and Intervention, University of Oxford, Oxford, United Kingdom

Alice Burton

Roles Data curation, Investigation, Methodology, Project administration, Resources, Validation, Writing – original draft, Writing – review & editing

Affiliation Centre for Evidence-based Intervention, Department of Social Policy and Intervention, University of Oxford, Oxford, United Kingdom

Jennifer R. Burton

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Writing – original draft, Writing – review & editing

Affiliation Centre for Evidence-based Intervention, Department of Social Policy and Intervention, University of Oxford, Oxford, United Kingdom

Alexandra J. Richardson

Roles Conceptualization, Funding acquisition, Methodology, Project administration, Supervision, Writing – review & editing

Affiliation Centre for Evidence-based Intervention, Department of Social Policy and Intervention, University of Oxford, Oxford, United Kingdom

Competing Interests

Funding for the trial was provided by DSM Nutritional Products, who also provided product and placebo. PM, JRB, AB, and TFS declare that no other competing interests exist. PM and AJR act as occasional paid consultants (lectures and advisory work) for companies and organizations involved in producing, selling, or promoting foods or supplements containing omega-3. None of these issues alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.