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BMC Pregnancy and Childbirth

Open Access
Open Peer Review

This article has Open Peer Review reports available.

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Ethnic differences in folic acid supplement use in a population-based cohort of pregnant women in Norway

  • Tarja I. Kinnunen1,
  • Line Sletner2,
  • Christine Sommer3,
  • Martine C. Post4 and
  • Anne Karen Jenum5Email author
BMC Pregnancy and ChildbirthBMC series – open, inclusive and trusted201717:143

Received: 15 September 2016

Accepted: 23 March 2017

Published: 15 May 2017

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Open Peer Review reports

Pre-publication versions of this article are available by contacting

Original Submission
15 Sep 2016 Submitted Original manuscript
10 Dec 2016 Reviewed Reviewer Report - Roy Nilsen
13 Dec 2016 Reviewed Reviewer Report - gideon koren
6 Jan 2017 Author responded Author comments - Tarja Kinnunen
Resubmission - Version 2
6 Jan 2017 Submitted Manuscript version 2
23 Mar 2017 Editorially accepted
15 May 2017 Article published 10.1186/s12884-017-1292-x

How does Open Peer Review work?

Open peer review is a system where authors know who the reviewers are, and the reviewers know who the authors are. If the manuscript is accepted, the named reviewer reports are published alongside the article. Pre-publication versions of the article are available by contacting

You can find further information about the peer review system here.

Authors’ Affiliations

Faculty of Social Sciences /Health Sciences, University of Tampere, Tampere, Finland
Department of Child and Adolescents Medicine, Akershus University Hospital, Lørenskog, Norway
Department of Endocrinology, Morbid Obesity and Preventive Medicine, Oslo University Hospital, Oslo, Norway
Health Agency, City of Oslo, Oslo, Norway
Institute of Health and Society, Department of General Practice, Faculty of Medicine, University of Oslo, Oslo, Norway