About the Authors
- Amy Leval
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* E-mail: amy.leval@ki.se
Affiliation Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
- Karin Sundström
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Affiliation Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
- Alexander Ploner
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Affiliation Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
- Lisen Arnheim Dahlström
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Affiliation Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
- Catarina Widmark
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Affiliations Department of Learning, Informatics, Management and Ethics, Karolinska Institutet, Stockholm, Sweden, Division of Nursing, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden
- Pär Sparén
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Affiliation Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
Competing Interests
The authors have declared that no competing interests exist. Sanofi Pasteur MSD funded the data collection portion of the questionnaire, but was not involved in any other capacity in the study. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.
Author Contributions
Conceived and designed the experiments: AL AP. Performed the experiments: AL KS. Analyzed the data: AL AP KS PS. Contributed reagents/materials/analysis tools: LAD. Wrote the paper: AL KS AP LAD CW PS.