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BMC Nutrition

Open Access
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This article has Open Peer Review reports available.

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Carotenoids and alkylresorcinols as objective biomarkers of diet quality when assessing the validity of a web-based food record tool and a food frequency questionnaire in a middle-aged population

  • Sanna Nybacka1Email authorView ORCID ID profile,
  • Anna Karin Lindroos2,
  • Elisabet Wirfält3,
  • Per Leanderson4,
  • Rikard Landberg5, 6,
  • Ulrika Ericson7,
  • Ingrid Larsson8,
  • Eva Warensjö Lemming2,
  • Göran Bergström9,
  • Bo Hedblad7,
  • Marju Orho-Melander7,
  • Olle Melander7,
  • Anna Winkvist1 and
  • Heléne Bertéus Forslund1
BMC NutritionBMC series – open, inclusive and trusted20162:53

Received: 12 April 2016

Accepted: 13 August 2016

Published: 20 August 2016

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Open Peer Review reports

Pre-publication versions of this article and author comments to reviewers are available by contacting

Original Submission
12 Apr 2016 Submitted Original manuscript
Author responded Author comments
Reviewed Reviewer Report
Resubmission - Version 2
Submitted Manuscript version 2
Author responded Author comments
Resubmission - Version 3
Submitted Manuscript version 3
13 Aug 2016 Editorially accepted
20 Aug 2016 Article published 10.1186/s40795-016-0094-2

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 and author comments to reviewers are available by contacting 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

Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg
National Food Agency
Department of Clinical Sciences in Malmö, Research group in Nutritional Epidemiology, Lund University
Occupational and Environmental Medicine Center and Department of Department of Clinical and Experimental Medicine, Linköping University
Department of Food Science, Uppsala BioCenter, Swedish University of Agricultural Sciences
Nutritional Epidemiology Unit, Institute of Environmental Medicine, Karolinska Institutet
Department of Clinical Sciences in Malmö, Skåne University Hospital, Lund University
Department of Gastroenterology and Hepatology, Sahlgrenska University Hospital
Sahlgrenska Centre for Cardiovascular and Metabolic Research, Wallenberg Laboratory, Sahlgrenska University Hospital