About the Authors
- Jiong Li
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* E-mail: jl@soci.au.dk
Affiliation Section for Epidemiology, Department of Public Health, Aarhus University, Aarhus, Denmark
- Mogens Vestergaard
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Affiliations Section for General Practice, Department of Public Health, Aarhus University, Aarhus, Denmark, Research Unit for General Practice, Department of Public Health, Aarhus University, Aarhus, Denmark
- Sven Cnattingius
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Affiliation Clinical Epidemiology Unit, Department of Medicine, Karolinska Institute, Stockholm, Sweden
- Mika Gissler
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Affiliation National Institute for Health and Welfare (THL), Helsinki, Finland
- Bodil Hammer Bech
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Affiliation Section for Epidemiology, Department of Public Health, Aarhus University, Aarhus, Denmark
- Carsten Obel
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Affiliations Section for General Practice, Department of Public Health, Aarhus University, Aarhus, Denmark, Research Programme for Mental Child Health, Department of Public Health, Aarhus University, Aarhus, Denmark
- Jørn Olsen
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Affiliations Section for Epidemiology, Department of Public Health, Aarhus University, Aarhus, Denmark, Department of Epidemiology, School of Public Health, University of California, Los Angeles, California, United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: JL. Performed the experiments: JL MV SC MG BHB CO JO. Analyzed the data: JL. Contributed reagents/materials/analysis tools: JL MV SC MG BHB CO JO. Wrote the first draft of the manuscript: JL. Contributed to the writing of the manuscript: JL MV SC MG BHB CO JO. ICMJE criteria for authorship read and met: JL MV SC MG BHB CO JO. Agree with manuscript results and conclusions: JL MV SC MG BHB CO JO. Obtained research funding for this study: JL.