About the Authors
- Olli Pietiläinen
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* E-mail: olli.k.pietilainen@helsinki.fi
Affiliation Department of Public Health, Hjelt Institute, University of Helsinki, Helsinki, Finland
- Mikko Laaksonen
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Affiliation Department of Public Health, Hjelt Institute, University of Helsinki, Helsinki, Finland
- Ossi Rahkonen
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Affiliation Department of Public Health, Hjelt Institute, University of Helsinki, Helsinki, Finland
- Eero Lahelma
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Affiliation Department of Public Health, Hjelt Institute, University of Helsinki, Helsinki, Finland
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: OP ML OR EL. Analyzed the data: OP. Wrote the paper: OP ML OR EL.