About the Authors
- Karri Silventoinen
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* E-mail: karri.silventoinen@helsinki.fi
Affiliations Population Research Unit, Department of Social Research, University of Helsinki, Helsinki, Finland, Department of Public Health, University of Helsinki, Helsinki, Finland
- Jennifer L. Baker
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Affiliation Institute of Preventive Medicine, Copenhagen University Hospital, Copenhagen, Denmark
- Thorkild I. A. Sørensen
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Affiliation Institute of Preventive Medicine, Copenhagen University Hospital, Copenhagen, Denmark
Competing Interests
The study is supported by Lundbeck Foundation (R13-A1317). Dr. Thorkild Sørensen previously served on the PLoS ONE Board as an Academic Editor. This does not alter the authors' adherence to all the PLoS ONE policies on sharing published materials.
Author Contributions
Conceived and designed the experiments: KS JLB TIAS. Performed the experiments: KS. Analyzed the data: KS. Contributed reagents/materials/analysis tools: JLB TIAS. Wrote the paper: KS JLB TIAS.