About the Authors

Vasilis Sitras

Vasilis.Sitras@ahus.no

Affiliations Department of Obstetrics and Gynecology, Akershus University Hospital, Lørenskog, Norway, Women's Health and Perinatology Group, University of Tromsø and University Hospital of North Norway, Tromsø, Norway

Christopher Fenton

Affiliation Institute of Clinical Medicine, University of Tromsø, Tromsø, Norway

Ruth Paulssen

Affiliation Institute of Clinical Medicine, University of Tromsø, Tromsø, Norway

Åse Vårtun

Affiliation Women's Health and Perinatology Group, University of Tromsø and University Hospital of North Norway, Tromsø, Norway

G. Acharya

Affiliation Women's Health and Perinatology Group, University of Tromsø and University Hospital of North Norway, Tromsø, Norway

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: VS CF RP GA. Performed the experiments: RP ÅV. Analyzed the data: VS CF ÅV. Contributed reagents/materials/analysis tools: VS CF ÅV. Wrote the paper: VS GA.