About the Authors
- Carin Ottosson
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*To whom correspondence should be addressed. E-mail: carin.ottosson@sodersjukhuset.se
Affiliation Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
- Hans Pettersson
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Affiliation Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
- Sven-Erik Johansson
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Affiliation Center for Family Medicine, Karolinska Institutet, Huddinge, Sweden
- Olof Nyrén
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Affiliation Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
- Sari Ponzer
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Affiliation Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
CO, SEJ, ON, and SP designed the study. CO, HP, SEJ, and ON analyzed the data. CO enrolled patients. All authors contributed to writing the paper.