Open Access Pre-publication history

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 Dangour*, Felicity Clemens, Diana Elbourne, Nicky Fasey, Astrid E Fletcher, Pollyanna Hardy, Graham E Holder, Felicia A Huppert, Rosemary Knight, Louise Letley, Marcus Richards, Ann Truesdale, Madge Vickers and Ricardo Uauy

Nutrition Journal 2006, 5:20  doi:10.1186/1475-2891-5-20

Pre-publication versions of this article and reviewers' reports

Original Submission - Version 1 Manuscript 08 Jun 2006
Resubmission - Version 2 Manuscript 27 Jun 2006
Reviewer's Report Philip Calder 28 Jun 2006
Reviewer's Report Danielle Laurin 30 Jun 2006
Resubmission - Version 3 Manuscript 11 Jul 2006
Resubmission - Version 4 Manuscript 11 Jul 2006
Resubmission - Version 5 Manuscript Author's comment 13 Jul 2006
Reviewer's Report Danielle Laurin 22 Aug 2006
Reviewer's Report Philip Calder 23 Aug 2006
Editorial acceptance 25 Aug 2006
Published 31 Aug 2006