About the Authors

Paul McCrone

paul.mccrone@kcl.ac.uk

Affiliation Centre for the Economics of Mental and Physical Health, Health Service and Population Research Department, Institute of Psychiatry, King’s College London, London, United Kingdom

Michael Sharpe

Affiliation University Department of Psychiatry, University of Oxford, Oxford, United Kingdom

Trudie Chalder

Affiliation Academic Department of Psychological Medicine, King’s College London, London, United Kingdom

Martin Knapp

Affiliations Centre for the Economics of Mental and Physical Health, Health Service and Population Research Department, Institute of Psychiatry, King’s College London, London, United Kingdom, Personal Social Services Research Unit, London School of Economics, London, United Kingdom

Anthony L. Johnson

Affiliations MRC Biostatistics Unit, Institute of Public Health, Cambridge, United Kingdom, MRC Clinical Trials Unit, London, United Kingdom

Kimberley A. Goldsmith

Affiliation Biostatistics Department, Institute of Psychiatry, King’s College London, London, United Kingdom

Peter D. White

Affiliation Centre for Psychiatry, Wolfson Institute of Preventive Medicine, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom

Competing Interests

PDW has done voluntary and paid consultancy work for the United Kingdom Departments of Health and Work and Pensions and Swiss Re (a reinsurance company), and led a randomised controlled trial about graded exercise therapy funded by the Linbury Trust. TC has received royalties from Sheldon Press and Constable and Robinson. MS has done voluntary and paid consultancy work for the United Kingdom government, has done consultancy work for the insurance company Aegon and has received royalties from Oxford University Press. PM, ALJ, KAG, and MK declare that they have no conflicts of interests. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: PM MS TC MK PDW KAG ALJ. Performed the experiments: PM. Analyzed the data: PM. Wrote the paper: PM MS TC MK PDW KAG ALJ.