About the Authors

Jouni Lahti

jouni.mm.lahti@helsinki.fi

Affiliation Hjelt Institute, Department of Public Health, University of Helsinki, Helsinki, Finland

Ansku Holstila

Affiliation Hjelt Institute, Department of Public Health, University of Helsinki, Helsinki, Finland

Eero Lahelma

Affiliation Hjelt Institute, Department of Public Health, University of Helsinki, Helsinki, Finland

Ossi Rahkonen

Affiliation Hjelt Institute, Department of Public Health, University of Helsinki, Helsinki, Finland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JL AH EL OR. Analyzed the data: AH. Wrote the paper: JL AH EL OR.