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A randomised controlled trial investigating the effect of n-3 long-chain polyunsaturated fatty acid supplementation on cognitive and retinal function in cognitively healthy older people: the Older People And n-3 Long-chain polyunsaturated fatty acids (OPAL) study protocol [ISRCTN72331636]

  • Alan D Dangour1Email author,
  • Felicity Clemens2,
  • Diana Elbourne2,
  • Nicky Fasey3,
  • Astrid E Fletcher4,
  • Pollyanna Hardy2, 5,
  • Graham E Holder6,
  • Felicia A Huppert7,
  • Rosemary Knight3,
  • Louise Letley3,
  • Marcus Richards8,
  • Ann Truesdale2,
  • Madge Vickers9 and
  • Ricardo Uauy1
Nutrition Journal20065:20

DOI: 10.1186/1475-2891-5-20

Received: 08 June 2006

Accepted: 31 August 2006

Published: 31 August 2006

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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
8 Jun 2006 Submitted Original manuscript
Resubmission - Version 2
Submitted Manuscript version 2
Resubmission - Version 3
Submitted Manuscript version 3
28 Jun 2006 Reviewed Reviewer Report - Philip Calder
30 Jun 2006 Reviewed Reviewer Report - Danielle Laurin
Resubmission - Version 4
Submitted Manuscript version 4
Resubmission - Version 5
Submitted Manuscript version 5
13 Jul 2006 Author responded Author comments - Alan Dangour
Resubmission - Version 6
13 Jul 2006 Submitted Manuscript version 6
22 Aug 2006 Reviewed Reviewer Report - Danielle Laurin
23 Aug 2006 Reviewed Reviewer Report - Philip Calder
30 Aug 2006 Author responded Author comments - Alan Dangour
Resubmission - Version 7
30 Aug 2006 Submitted Manuscript version 7
Publishing
31 Aug 2006 Editorially accepted
31 Aug 2006 Article published 10.1186/1475-2891-5-20

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)
Nutrition and Public Health Intervention Research Unit, Department of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine
(2)
Medical Statistics Unit, Department of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine
(3)
Medical Research Council General Practice Research Framework
(4)
Non-Communicable Disease Epidemiology Unit, Department of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine
(5)
Clinical Epidemiology and Biostatistics Unit, Royal Children's Hospital
(6)
Department of Electrophysiology, Moorfields Eye Hospital
(7)
Department of Psychiatry, University of Cambridge
(8)
Department of Epidemiology and Public Health, University College London
(9)
Centre for Research in Primary and Community Care, University of Hertfordshire

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