About the Authors
- Mette Nørgaard
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* E-mail: mn@dce.au.dk
Affiliation Department of Clinical Epidemiology, Institute of Clinical Medicine, Aarhus University Hospital, Aarhus, Denmark
- Vera Ehrenstein
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Affiliation Department of Clinical Epidemiology, Institute of Clinical Medicine, Aarhus University Hospital, Aarhus, Denmark
- Rikke Beck Nielsen
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Affiliation Department of Clinical Epidemiology, Institute of Clinical Medicine, Aarhus University Hospital, Aarhus, Denmark
- Leiv Sigmund Bakketeig
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Affiliation Norwegian Institute of Public Health, Nydalen, Norway
- Henrik Toft Sørensen
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Affiliation Department of Clinical Epidemiology, Institute of Clinical Medicine, Aarhus University Hospital, Aarhus, Denmark
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: HTS MN VE. Analyzed the data: VE. Wrote the paper: MN VE LSB RBN HTS. Data Management: RBN VE.