About the Authors

Jeremy W. Coid

Affiliation Violence Prevention Research Unit, Wolfson Institute of Preventive Medicine, Queen Mary University of London. Garrod Building, Turner Street, London E1 2AD, United Kingdom

Constantinos Kallis

Affiliation Violence Prevention Research Unit, Wolfson Institute of Preventive Medicine, Queen Mary University of London. Garrod Building, Turner Street, London E1 2AD, United Kingdom

Mike Doyle

Affiliation Institute of Brain, Behaviour and Mental Health, University of Manchester. Oxford Road, Manchester M13 9PL, United Kingdom

Jenny Shaw

Affiliation Institute of Brain, Behaviour and Mental Health, University of Manchester. Oxford Road, Manchester M13 9PL, United Kingdom

Simone Ullrich

s.ullrich@qmul.ac.uk

Affiliation Violence Prevention Research Unit, Wolfson Institute of Preventive Medicine, Queen Mary University of London. Garrod Building, Turner Street, London E1 2AD, United Kingdom

Competing Interests

Dr. Mike Doyle received fees for training in the use of structured professional judgement. All other authors have no competing interests to report.

Author Contributions

Conceived and designed the experiments: JWC CK MD JS SU. Performed the experiments: JWC CK MD JS SU. Analyzed the data: CK SU. Contributed reagents/materials/analysis tools: JWC CK MD JS SU. Wrote the paper: JWC CK MD JS SU.