About the Authors
- Elisabeth Birkeland
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Affiliation Dpt. Clinical Science, University of Bergen, Bergen, Norway
- Guro Stokke
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Affiliation Dpt. Obstetrics and Gynecology, Haukeland University Hospital, Bergen, Norway
- Randi J. Tangvik
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Affiliation Dpt. Research and Development, Haukeland University Hospital, Bergen, Norway
- Erik A. Torkildsen
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Affiliation Dpt. Obstetrics and Gynecology, Stavanger University Hospital, Stavanger, Norway
- Jane Boateng
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Affiliation Dpt. Obstetrics and Gynecology, Helse-Foerde, Foerde, Norway
- Anne L. Wollen
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Affiliation Dpt. Bergen, Volvat Medical Centre, Bergen, Norway
- Susanne Albrechtsen
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Affiliations Dpt. Clinical Science, University of Bergen, Bergen, Norway, Dpt. Obstetrics and Gynecology, Haukeland University Hospital, Bergen, Norway
- Hans Flaatten
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Affiliations Dpt. Anesthesia and Intensive Care, Haukeland University Hospital, Bergen, Norway, Dpt. Clinical Medicine, University of Bergen, Bergen, Norway
- Jone Trovik
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* E-mail: jone.trovik @helse-bergen.no
Affiliation Dpt. Obstetrics and Gynecology, Haukeland University Hospital, Bergen, Norway
Competing Interests
The authors have declared that no competing interest exist.
Author Contributions
Conceived and designed the experiments: EB HF JT. Performed the experiments: EB GS RJT HF JT. Analyzed the data: EB GS RJT HF JT. Contributed reagents/materials/analysis tools: EB GS RJT EAT JB ALW SA HF JT. Wrote the paper: EB GS RJT EAT JB ALW SA HF JT.