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Perineal Assessment and Repair Longitudinal Study (PEARLS): a matched-pair cluster randomized trial

  • Khaled M K Ismail1Email author,
  • Christine Kettle2,
  • Sue E Macdonald3,
  • Sue Tohill4,
  • Peter W Thomas5 and
  • Debra Bick6
BMC Medicine201311:209

Received: 22 June 2013

Accepted: 29 August 2013

Published: 23 September 2013

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Open Peer Review reports

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

Original Submission
22 Jun 2013 Submitted Original manuscript
Resubmission - Version 2
Submitted Manuscript version 2
29 Jun 2013 Reviewed Reviewer Report - Britt-Ingjerd Nesheim
10 Jul 2013 Reviewed Reviewer Report - Maria Luiza Riesco
24 Jul 2013 Reviewed Reviewer Report - George Zhang
25 Aug 2013 Author responded Author comments - Khaled Ismail
Resubmission - Version 3
25 Aug 2013 Submitted Manuscript version 3
29 Aug 2013 Editorially accepted
23 Sep 2013 Article published 10.1186/1741-7015-11-209

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

Professor of Obstetrics and Gynaecology, School of Clinical and Experimental Medicine, College of Medical and Dental Sciences, University of Birmingham
Professor of Women’s Health Staffordshire University, Blackheath Lane
Lead Midwife for Education, (until Dec 2012) College of Midwives
Midwife, West Midlands (South) Comprehensive Local Research Network, University Hospitals Coventry and Warwickshire NHS Trust, University Hospital
Professor of Healthcare Statistics and Epidemiology, Bournemouth University, Clinical Research Unit, School of Health and Social Care
Professor of Evidence Based Midwifery Practice, Kings College London, Florence Nightingale School of Nursing and Midwifery