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This article has Open Peer Review reports available.

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Maternal caffeine intake during pregnancy is associated with birth weight but not with gestational length: results from a large prospective observational cohort study

  • Verena Sengpiel1Email author,
  • Elisabeth Elind2,
  • Jonas Bacelis1,
  • Staffan Nilsson3,
  • Jakob Grove4,
  • Ronny Myhre5,
  • Margaretha Haugen2,
  • Helle Margrete Meltzer2,
  • Jan Alexander6,
  • Bo Jacobsson1, 5 and
  • Anne-Lise Brantsæter2
BMC Medicine201311:42

DOI: 10.1186/1741-7015-11-42

Received: 14 September 2012

Accepted: 19 February 2013

Published: 19 February 2013

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Open Peer Review reports

Pre-publication versions of this article and author comments to reviewers are available by contacting info@biomedcentral.com.

Original Submission
14 Sep 2012 Submitted Original manuscript
Resubmission - Version 2
Submitted Manuscript version 2
2 Oct 2012 Reviewed Reviewer Report - Ina Santos
4 Oct 2012 Reviewed Reviewer Report - Alastair Hay
21 Oct 2012 Author responded Author comments - Verena Sengpiel
Resubmission - Version 3
21 Oct 2012 Submitted Manuscript version 3
30 Oct 2012 Reviewed Reviewer Report - Alastair Hay
31 Oct 2012 Reviewed Reviewer Report - Ina Santos
6 Nov 2012 Author responded Author comments - Verena Sengpiel
Resubmission - Version 4
6 Nov 2012 Submitted Manuscript version 4
Publishing
19 Feb 2013 Editorially accepted
19 Feb 2013 Article published 10.1186/1741-7015-11-42

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.. All previous versions of the manuscript and all author responses to the reviewers are also available.

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

Authors’ Affiliations

(1)
Department of Obstetrics and Gynaecology, Sahlgrenska Academy, Sahlgrenska University Hospital/Östra
(2)
Department of Exposure and Risk Assessment, Division of Environmental Medicine, Norwegian Institute of Public Health
(3)
Mathematical Sciences, Chalmers University of Technology
(4)
Department of Biomedicine, Aarhus University, Wilhelm Meyers Allé 4, DK-8000 Aarhus C, Denmark, and Bioinformatics Research Centre (BiRC), Aarhus University
(5)
Department of Genes and Environment, Division of Epidemiology, Norwegian Institute of Public Health
(6)
Office of the Director-General, Norwegian Institute of Public Health

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