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Open Peer Review Reports for: In search of the ideal risk-scoring system for very high-risk cardiac surgical patients: a two-stage approach

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Pre-publication versions of this article are available by contacting

Original Submission
20 Sep 2015 Submitted Original manuscript
13 Oct 2015 Reviewed Reviewer Report - Max Codispoti
29 Dec 2015 Author responded Author comments - Marco Ranucci
Resubmission - Version 2
29 Dec 2015 Submitted Manuscript version 2
12 Jan 2016 Editorially accepted
19 Jan 2016 Article published 10.1186/s13019-016-0405-3

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.