About the Authors
- Sanna Heikkinen
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* E-mail: sanna.heikkinen@cancer.fi
Affiliation Finnish Cancer Registry, Institute for Statistical and Epidemiological Cancer Research, Unioninkatu 22, FI-00130, Helsinki, Finland
- Janne Pitkäniemi
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Affiliations Finnish Cancer Registry, Institute for Statistical and Epidemiological Cancer Research, Unioninkatu 22, FI-00130, Helsinki, Finland, University of Helsinki, Hjelt Institute, Department of Public Health, PO Box 41 (Mannerheimintie 172), FI-00014 University of Helsinki, Helsinki, Finland
- Tytti Sarkeala
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Affiliation Finnish Cancer Registry, Institute for Statistical and Epidemiological Cancer Research, Unioninkatu 22, FI-00130, Helsinki, Finland
- Nea Malila
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Affiliations Finnish Cancer Registry, Institute for Statistical and Epidemiological Cancer Research, Unioninkatu 22, FI-00130, Helsinki, Finland, School of Health Sciences, University of Tampere, FI-33014 University of Tampere, Tampere, Finland
- Markku Koskenvuo
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Affiliation University of Helsinki, Hjelt Institute, Department of Public Health, PO Box 41 (Mannerheimintie 172), FI-00014 University of Helsinki, Helsinki, Finland
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: SH JP MK. Performed the experiments: SH JP. Analyzed the data: SH JP. Wrote the paper: SH JP MK NM TS.