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Open Access
Open Peer Review

This article has Open Peer Review reports available.

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Duration of the common cold and similar continuous outcomes should be analyzed on the relative scale: a case study of two zinc lozenge trials

BMC Medical Research MethodologyBMC series – open, inclusive and trusted201717:82

Received: 30 August 2016

Accepted: 2 May 2017

Published: 12 May 2017

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Open Peer Review reports

Pre-publication versions of this article are available by contacting

Original Submission
30 Aug 2016 Submitted Original manuscript
9 Nov 2016 Reviewed Reviewer Report - Jan Friedrich
17 Apr 2017 Author responded Author comments - Harri Hemilä
Resubmission - Version 2
17 Apr 2017 Submitted Manuscript version 2
18 Apr 2017 Reviewed Reviewer Report - Jan Friedrich
Resubmission - Version 3
Submitted Manuscript version 3
2 May 2017 Editorially accepted
12 May 2017 Article published 10.1186/s12874-017-0356-y

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.

Authors’ Affiliations

Department of Public Health, POB 20 University of Helsinki, Helsinki, Finland