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Open Peer Review Reports for: Efficacy and tolerability of an undenatured type II collagen supplement in modulating knee osteoarthritis symptoms: a multicenter randomized, double-blind, placebo-controlled study

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Pre-publication versions of this article are available by contacting

Original Submission
7 Nov 2015 Submitted Original manuscript
2 Dec 2015 Reviewed Reviewer Report - Liz Applegate
4 Dec 2015 Reviewed Reviewer Report - Douglas MacKay
24 Dec 2015 Author responded Author comments - James Lugo
Resubmission - Version 2
24 Dec 2015 Submitted Manuscript version 2
20 Jan 2016 Editorially accepted
29 Jan 2016 Article published 10.1186/s12937-016-0130-8

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 are available by contacting

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