About the Authors

Elisabeth Couto

Affiliations Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden, Cancer Registry of Norway, Oslo, Norway, Norwegian Knowledge Centre for the Health Services, Health Economic and Drug Unit, Oslo, Norway

Sven Sandin

Affiliation Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden

Marie Löf

Affiliations Department of Clinical and Experimental Medicine, University of Linköping, Linköping, Sweden, Department of Biosciences and Nutrition, Karolinska Institutet, Huddinge, Sweden

Giske Ursin

Affiliations Cancer Registry of Norway, Oslo, Norway, Department of Nutrition, University of Oslo, Oslo, Norway, Department of Preventive Medicine, University of Southern California, Los Angeles, California, United States of America

Hans-Olov Adami

Affiliations Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden, Department of Epidemiology, Harvard School of Public Health, Boston, Massachusetts, United States of America

Elisabete Weiderpass

Elisabete.Weiderpass@ki.se

Affiliations Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden, Cancer Registry of Norway, Oslo, Norway, Department of Genetic Epidemiology, Folkhälsan Research Center, Helsinki, Finland, Department of Community Medicine, University of Tromsø, Tromsø, Norway

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Read and approved the final manuscript: EC SS ML GU HOA EW. Conceived and designed the experiments: EC SS ML EW. Performed the experiments: EW. Analyzed the data: EC SS. Wrote the paper: EC SS ML GU HOA EW.