About the Authors

Kamaldeep Bhui

k.s.bhui@qmu.ac.uk

Affiliation Wolfson Institute of Preventive Medicine, Queen Mary University of London, London, United Kingdom

Nasir Warfa

Affiliation Wolfson Institute of Preventive Medicine, Queen Mary University of London, London, United Kingdom

Edgar Jones

Affiliation King’s Centre for Military Health Research, King’s College London, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: KB. Wrote the paper: KB. Principle Investigator of the project and was the lead in designing, conceiving, undertaking, analysing and writing up the project: KB. Involved in conception and design and delivery and writing up: EJ. Involved in conception, preparatory focus groups, writing up the work: NW. Involved in drafting and revising the article, and have approved the submitted version: KB NW EJ. Had full access to all of the data (including statistical reports and tables) in the study and can take responsibility for the integrity of the data and the accuracy of the data analysis: KB NW EJ. Acts as guarantor: KB. Led the data collection with a survey company: KB. Interfaced with the company to design specific questions, test them and improve their use: KB EJ. Undertook the statistical analyses and data management: KB. Commented on the manuscript: EJ NW.