About the Authors

Valentina Gallo
Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, United Kingdom

Valentina Gallo
Social and Environmental Health Research, London School of Hygiene and Tropical Medicine, London, United Kingdom

Matthias Egger
Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland

Valerie McCormack, Christopher Wild
International Agency for Research on Cancer (IARC) Lyon, France

Peter B. Farmer
Department of Cancer Studies and Molecular Medicine, University of Leicester, Leicester, United Kingdom

John P. A. Ioannidis
Stanford Prevention Research Centre, Stanford University School of Medicine, Stanford, California, United States of America

John P. A. Ioannidis
Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, Ioannina, Greece

Micheline Kirsch-Volders
Laboratory for Cell Genetics, Vrije Universiteit Brussel, Brussels, Belgium

Giuseppe Matullo, Paolo Vineis
HuGeF Human Genetics Foundation, Turin, Italy

Giuseppe Matullo
Department of Genetics, Biology and Biochemistry, University of Turin, Turin, Italy

David H. Phillips
Institute of Cancer Research, Sutton, United Kingdom

Bernadette Schoket
National Institute of Environmental Health, Budapest, Hungary

Ulf Stromberg
Division of Occupational and Environmental Medicine, Lund University, Lund, Sweden

Roel Vermeulen
Institute for Risk Assessment Sciences (IRAS), Division Environmental Epidemiology, Utrecht University, Utrecht, the Netherlands

Miquel Porta
Institut Municipal d'Investigacio Medica (IMIM), Universitat Autonoma de Barcelona, Barcelona, Spain

Paolo Vineis
MRC-HPA Centre for Environment and Health, School of Public Health, Imperial College London, London, United Kingdom

Corresponding Author

v.gallo@imperial.ac.uk

Competing Interests

JPAI is a member of the PLoS Medicine Editorial Board. All other authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: VG ME JPAI US PV. Performed the experiments: VG ME VMC PBF JPAI MKV GM DHP BS US RV CW MP PV. Analyzed the data: VG ME VMC PBF JPAI MKV GM DHP BS US RV CW MP PV. Wrote the first draft of the manuscript: VG ME VMC JPAI US MP PV. Contributed to the writing of the manuscript: VG ME VMC PBF JPAI MKV GM DHP BS US RV CW MP PV. ICMJE criteria for authorship read and met: VG ME VMC PBF JPAI MKV GM DHP BS US RV CW MP PV. Agree with manuscript results and conclusions: VG ME VMC PBF JPAI MKV GM DHP BS US RV CW MP PV.