About the Authors

Jonathan P. Bestwick

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

Wayne J. Huttly

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

Joan K. Morris

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

Nicholas J. Wald

n.j.wald@qmul.ac.uk

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JB NW. Performed the experiments: JB NW. Analyzed the data: JB JM NW. Wrote the paper: JB NW. Collated and managed the data: WH.