About the Authors

Carla Guerriero

Carla.guerriero@lshtm.ac.uk

Affiliation Department of Health Services Research and Policy, London School of Hygiene and Tropical Medicine, London, United Kingdom

John Cairns

Affiliation Department of Health Services Research and Policy, London School of Hygiene and Tropical Medicine, London, United Kingdom

Pablo Perel

Affiliation Clinical Trials Unit, London School of Hygiene and Tropical Medicine, London, United Kingdom

Haleema Shakur

Affiliation Clinical Trials Unit, London School of Hygiene and Tropical Medicine, London, United Kingdom

Ian Roberts

Affiliation Clinical Trials Unit, London School of Hygiene and Tropical Medicine, London, United Kingdom

on behalf of CRASH 2 trial collaborators

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CG JC HS IR. Analyzed the data: CG JC. Contributed reagents/materials/analysis tools: HS PP IR. Wrote the paper: CG JC IR. Interpretation of the analysis: CG JC HS PP IR. Played a role in the design and the execution of the study, and commented on the manuscript, with CG taking the lead: CG JC PP HS IR.