About the Authors
- Lena W Holm
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*To whom correspondence should be addressed. E-mail: Lena.Holm@ki.se
Affiliation Division of Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Linda J Carroll
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Affiliations Department of Public Health Sciences, School of Public Health, University of Alberta, Edmonton, Alberta, Canada , Alberta Centre for Injury Control and Research, University of Alberta, Edmonton, Alberta, Canada
- J. David Cassidy
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Affiliations Toronto Western Hospital, University Health Network University of Toronto, Toronto, Ontario, Canada , Department of Public Health Sciences, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
- Eva Skillgate
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Affiliation Division of Cardiovascular Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Anders Ahlbom
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Affiliations Division of Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden , Stockholm Center for Public Health, Stockholm, Sweden
Competing Interests
All authors declare that they have no conflict of interest in connection with this paper. Lena Holm is employed part-time at a Swedish insurance company (Trygg-Hansa), and is also a part-time researcher at the Karolinska Institutet. Linda Carroll and David Cassidy received research grants from governmental insurance sources outside of Sweden. Two Swedish insurers, Trygg-Hansa and Aktsam) provided computer-based personal information on eligible participants for the present study, but otherwise did not have any role in data collection, the objectives of the study, the analysis or the interpretation of the data.
Author Contributions
LWH and AA designed the experiments/the study. LWH and AA analyzed the data. LWH enrolled patients. LWH wrote the first draft of the paper. LJC, JDC, ES, and AA contributed to writing the paper. LJC contributed to the development of the design and methodology of the study and provided consultation/advice about the analysis.