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Open Peer Review Reports for: Phase II randomized trial of neoadjuvant metformin plus letrozole versus placebo plus letrozole for estrogen receptor positive postmenopausal breast cancer (METEOR)

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Pre-publication versions of this article are available by contacting

Original Submission
16 Nov 2012 Submitted Original manuscript
Resubmission - Version 2
Submitted Manuscript version 2
Resubmission - Version 3
Submitted Manuscript version 3
10 Jun 2013 Reviewed Reviewer Report - Lev Berstein
11 Oct 2013 Reviewed Reviewer Report - Ryan Dowling
25 Oct 2013 Reviewed Reviewer Report - Marco Alessandro Pierotti
27 Nov 2013 Author responded Author comments - Wonshik Han
Resubmission - Version 4
27 Nov 2013 Submitted Manuscript version 4
3 Mar 2014 Editorially accepted
10 Mar 2014 Article published 10.1186/1471-2407-14-170

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.