About the Authors

Atsushi Nishida

Contributed equally to this work with: Atsushi Nishida, Dorina Cadar, Man K. Xu, Timothy Croudace, Peter B. Jones, Diana Kuh, Marcus Richards

Affiliations Department of Psychiatry & Behavioural Science, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan, MRC Unit for Lifelong Health and Ageing at UCL, London, United Kingdom

Dorina Cadar

Contributed equally to this work with: Atsushi Nishida, Dorina Cadar, Man K. Xu, Timothy Croudace, Peter B. Jones, Diana Kuh, Marcus Richards

Affiliation MRC Unit for Lifelong Health and Ageing at UCL, London, United Kingdom

Man K. Xu

Contributed equally to this work with: Atsushi Nishida, Dorina Cadar, Man K. Xu, Timothy Croudace, Peter B. Jones, Diana Kuh, Marcus Richards

Affiliation Departments of Psychiatry and Public Health, University of Cambridge, Cambridge, United Kingdom

Timothy Croudace

Contributed equally to this work with: Atsushi Nishida, Dorina Cadar, Man K. Xu, Timothy Croudace, Peter B. Jones, Diana Kuh, Marcus Richards

Affiliation Department of Health Sciences and Hull York Medical School, University of York, York, United Kingdom

Peter B. Jones

Contributed equally to this work with: Atsushi Nishida, Dorina Cadar, Man K. Xu, Timothy Croudace, Peter B. Jones, Diana Kuh, Marcus Richards

Affiliations Department of Psychiatry, University of Cambridge, Cambridge, United Kingdom, CAMEO, Cambridgeshire & Peterborough NHS Foundation Trust, Cambridge, United Kingdom

Diana Kuh

Contributed equally to this work with: Atsushi Nishida, Dorina Cadar, Man K. Xu, Timothy Croudace, Peter B. Jones, Diana Kuh, Marcus Richards

Affiliation MRC Unit for Lifelong Health and Ageing at UCL, London, United Kingdom

Marcus Richards

Contributed equally to this work with: Atsushi Nishida, Dorina Cadar, Man K. Xu, Timothy Croudace, Peter B. Jones, Diana Kuh, Marcus Richards

m.richards@ucl.ac.uk

Affiliation MRC Unit for Lifelong Health and Ageing at UCL, London, United Kingdom

MRC National Survey of Health and Development scientific and data collection team

Membership of the MRC National Survey of Health and Development scientific and data collection team is provided in the Acknowledgments.

Competing Interests

PJ has received research grant support from GlaxoSmithKline, a speaker's honorarium from Eli Lilly, and is a co-inventor of patent PCT/ GB2005/003279 (methods for assessing psychotic disorders). This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials. AN, DC, KX, DK and MR report no competing interests.

Author Contributions

Conceived and designed the experiments: AN MR. Analyzed the data: MR. Wrote the paper: AN DC MX TC PJ DK MR.