About the Authors

Kimmo Herttua

kimmo.herttua@helsinki.fi

Affiliations Finnish Institute of Occupational Health, Helsinki, Finland, Population Research Unit, Department of Social Research, University of Helsinki, Helsinki, Finland

Pekka Martikainen

Affiliation Population Research Unit, Department of Social Research, University of Helsinki, Helsinki, Finland

Jussi Vahtera

Affiliations Finnish Institute of Occupational Health, Helsinki, Finland, Department of Public Health, University of Turku and Turku University Hospital, Turku, Finland

Mika Kivimäki

Affiliations Finnish Institute of Occupational Health, Helsinki, Finland, Department of Epidemiology and Public Health, University College London, London, United Kingdom, Department of Behavioral Sciences, University of Helsinki, Helsinki, Finland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KH PM JV MK. Analyzed the data: KH. Wrote the first draft of the manuscript: KH. Contributed to the writing of the manuscript: KH PM JV MK. ICMJE criteria for authorship read and met: KH PM JV MK. Agree with manuscript results and conclusions: KH PM JV MK. Formulated the hypothesis: KH MK.