About the Authors

Mireille B. Toledano

m.toledano@imperial.ac.uk

Affiliation MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, St Mary’s Campus, London, United Kingdom

Rachel B. Smith

Affiliation MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, St Mary’s Campus, London, United Kingdom

James P. Brook

Affiliation MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, St Mary’s Campus, London, United Kingdom

Margaret Douglass

Affiliation MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, St Mary’s Campus, London, United Kingdom

Paul Elliott

Affiliation MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, St Mary’s Campus, London, United Kingdom

Competing Interests

Both MBT and PE receive research funding in support of research on mobile phones and health. PE is Principal Investigator and MBT co-Principal Investigator of the UK COSMOS study which is funded as described above. MBT is Principal Investigator and PE co-Investigator of the SCAMP study which is funded, via the independent Research Initiative on Health and Mobile Telecommunications (RIHMT), by the UK Health Departments, the Medical Research Council, the Health and Safety Executive, and industry funders [Vodafone, Arqiva, Carphone Warehouse, BT, 3UK, Everything Everywhere EE (Orange and T-Mobile), Telefonica Europe Plc (O2)]. The RIHMT is managed by the UK Department of Health Policy Research Programme. PE is a member of the MRC-PHE Joint Committee on Radiological and Toxicological Sciences. RBS, MD and JPB declare they have no competing interests. The authors confirm that the Competing Interests statement does not alter the authors' adherence to all PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: PE MBT RBS JPB. Analyzed the data: RBS MD. Wrote the paper: PE MBT RBS MD JPB. Data collection: PE MBT RBS MD JPB. Interpretation of data: PE MBT RBS MD JPB.