Skip to main content


Open Access
Open Peer Review

This article has Open Peer Review reports available.

How does Open Peer Review work?

A meta-analysis of temporal changes of response in the placebo arm of surgical randomized controlled trials: an update

  • Karolina A. Wartolowska1, 2Email author,
  • Stephen Gerry2, 4,
  • Benjamin G. Feakins3,
  • Gary S. Collins2, 4,
  • Jonathan Cook1, 2,
  • Andrew Judge1, 2, 5 and
  • Andrew J. Carr1, 2
Contributed equally

Received: 13 April 2017

Accepted: 27 June 2017

Published: 12 July 2017

Back to article

Open Peer Review reports

Pre-publication versions of this article and author comments to reviewers are available by contacting

Original Submission
13 Apr 2017 Submitted Original manuscript
31 May 2017 Reviewed Reviewer Report - Richard Jackson
1 Jun 2017 Reviewed Reviewer Report - Beatriz Goulao
26 Jun 2017 Author responded Author comments - Karolina Wartolowska
Resubmission - Version 2
26 Jun 2017 Submitted Manuscript version 2
27 Jun 2017 Editorially accepted
12 Jul 2017 Article published 10.1186/s13063-017-2070-9

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 and author comments to reviewers are available by contacting All previous versions of the manuscript and all author responses to the reviewers are also available.

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

Authors’ Affiliations

NIHR Oxford Musculoskeletal Biomedical Research Unit
Botnar Institute of Musculoskeletal Sciences, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford
Nuffield Department of Primary Care Health Sciences, University of Oxford
Centre for Statistics in Medicine, University of Oxford
MRC Lifecourse Epidemiology Unit, University of Southampton