About the Authors

Ifigeneia Mavranezouli

i.mavranezouli@ucl.ac.uk

Affiliation National Collaborating Centre for Mental Health, Centre for Outcomes Research and Effectiveness, Research Department of Clinical, Educational & Health Psychology, University College London, London, United Kingdom

Evan Mayo-Wilson

Current address: Center for Clinical Trials and Evidence Synthesis, Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America,

Affiliation National Collaborating Centre for Mental Health, Centre for Outcomes Research and Effectiveness, Research Department of Clinical, Educational & Health Psychology, University College London, London, United Kingdom

Sofia Dias

Affiliation School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom

Kayleigh Kew

Current address: Population Health Research Institute, St George’s, University of London, London, United Kingdom

Affiliation National Collaborating Centre for Mental Health, Centre for Outcomes Research and Effectiveness, Research Department of Clinical, Educational & Health Psychology, University College London, London, United Kingdom

David M. Clark

Affiliation Department of Experimental Psychology, University of Oxford & Oxford Cognitive Health NIHR Clinical Research Facility, Oxford, United Kingdom

A. E. Ades

Affiliation School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom

Stephen Pilling

Affiliation National Collaborating Centre for Mental Health, Centre for Outcomes Research and Effectiveness, Research Department of Clinical, Educational & Health Psychology, University College London, London, United Kingdom

Competing Interests

The authors have read the journal's policy and the authors of this manuscript have the following competing interests: IM, EMW, KK and SP received support from the National Collaborating Centre for Mental Health, which was in receipt of funding from the National Institute for Health and Care Excellence (NICE), for the submitted work. SD and AEA received support from the NICE Clinical Guidelines Technical Support Unit, University of Bristol, with funding from the Centre for Clinical Practice (NICE). DMC is the developer of one of the versions of individual CBT under consideration (Cognitive Therapy following the Clark & Wells manual). The authors report no other relationships or activities that could appear to have influenced the submitted work.

Author Contributions

Conceived and designed the experiments: IM EMW SD KK DMC AEA SP. Performed the experiments: IM. Analyzed the data: IM. Wrote the paper: IM EMW SD KK DMC AEA SP. Contributed to data collection: IM EMW KK. Developed the statistical model and code for the network meta-analysis: SD AEA. Interpreted the findings: IM EMW SD KK DMC AEA SP.