About the Authors
- Sanna Tiikkaja
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* E-mail: Sanna.Tiikkaja@ki.se
Affiliation Department of Medical Epidemiology and Biostatistics, Stockholm, Sweden
- Sven Sandin
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Affiliation Department of Medical Epidemiology and Biostatistics, Stockholm, Sweden
- Ninoa Malki
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Affiliation Department of Medical Epidemiology and Biostatistics, Stockholm, Sweden
- Bitte Modin
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Affiliation Centre for Health Equity Studies (CHESS), Stockholm University, Stockholm, Sweden
- Pär Sparén
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Affiliation Department of Medical Epidemiology and Biostatistics, Stockholm, Sweden
- Christina M. Hultman
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Affiliation Department of Medical Epidemiology and Biostatistics, Stockholm, Sweden
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Analyzed the data: ST NM SS. Contributed reagents/materials/analysis tools: ST NM SS BM PS CMH. Wrote the manuscript: ST NM SS BM PS CMH.