About the Authors
- Eli Saastad
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* E-mail: eli.saastad@hioa.no
Affiliations Faculty of Health, Nutrition and Management, Oslo and Akershus University College of Applied Sciences, Oslo, Norway, Division of Epidemiology, Norwegian Institute of Public Health, Oslo, Norway
- Brita A. Winje
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Affiliation Division of Epidemiology, Norwegian Institute of Public Health, Oslo, Norway
- Babill Stray Pedersen
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Affiliations Division of Women and Children, Rikshospitalet, Oslo University Hospital, Oslo, Norway, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- J. Frederik Frøen
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Affiliation Division of Epidemiology, Norwegian Institute of Public Health, Oslo, Norway
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: ES BSP JFF. Performed the experiments: ES. Analyzed the data: ES BAW JFF. Contributed reagents/materials/analysis tools: N/A. Wrote the paper: ES BAW BSP JFF.