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A randomised controlled trial investigating the effect of vitamin B12 supplementation on neurological function in healthy older people: the Older People and Enhanced Neurological function (OPEN) study protocol [ISRCTN54195799]

  • Alan D Dangour1Email author,
  • Elizabeth Allen2,
  • Robert Clarke3,
  • Diana Elbourne2,
  • Nicky Fasey4,
  • Astrid E Fletcher5,
  • Louise Letley4,
  • Marcus Richards6,
  • Ken Whyte1,
  • Kerry Mills7 and
  • Ricardo Uauy1
Nutrition Journal201110:22

DOI: 10.1186/1475-2891-10-22

Received: 7 January 2011

Accepted: 11 March 2011

Published: 11 March 2011

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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
7 Jan 2011 Submitted Original manuscript
Resubmission - Version 2
Submitted Manuscript version 2
19 Jan 2011 Reviewed Reviewer Report - Wendy den Elzen
2 Feb 2011 Reviewed Reviewer Report - Ben Hudson
3 Feb 2011 Reviewed Reviewer Report - David Robinson
10 Feb 2011 Author responded Author comments - Alan Dangour
Resubmission - Version 3
10 Feb 2011 Submitted Manuscript version 3
15 Feb 2011 Reviewed Reviewer Report - Wendy den Elzen
16 Feb 2011 Reviewed Reviewer Report - Ben Hudson
20 Feb 2011 Reviewed Reviewer Report - David Robinson
Resubmission - Version 4
Submitted Manuscript version 4
Publishing
11 Mar 2011 Editorially accepted
11 Mar 2011 Article published 10.1186/1475-2891-10-22

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 Nutrition and Public Health Intervention Research, Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine
(2)
Department of Medical Statistics, Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine
(3)
Clinical Trial Service Unit, University of Oxford
(4)
Medical Research Council General Practice Research Framework
(5)
Department of Non-Communicable Disease Epidemiology, Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine
(6)
Medical Research Council Unit for Lifelong Health and Ageing
(7)
Department of Clinical Neurophysiology, King's College Hospital

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