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Study Protocol- Lumbar Epidural Steroid Injections for Spinal Stenosis (LESS): a double-blind randomized controlled trial of epidural steroid injections for lumbar spinal stenosis among older adults

  • Janna L Friedly1Email author,
  • Brian W Bresnahan1,
  • Bryan Comstock1,
  • Judith A Turner1,
  • Richard A Deyo2,
  • Sean D Sullivan1,
  • Patrick Heagerty1,
  • Zoya Bauer1,
  • Srdjan S Nedeljkovic3,
  • Andrew L Avins4,
  • David Nerenz5 and
  • Jeffrey G Jarvik1
Contributed equally
BMC Musculoskeletal Disorders201213:48

DOI: 10.1186/1471-2474-13-48

Received: 25 January 2012

Accepted: 29 March 2012

Published: 29 March 2012

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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
25 Jan 2012 Submitted Original manuscript
Resubmission - Version 2
Submitted Manuscript version 2
1 Feb 2012 Author responded Author comments - Janna Friedly
Resubmission - Version 3
1 Feb 2012 Submitted Manuscript version 3
13 Feb 2012 Author responded Author comments - Janna Friedly
Resubmission - Version 4
13 Feb 2012 Submitted Manuscript version 4
29 Mar 2012 Editorially accepted
29 Mar 2012 Article published 10.1186/1471-2474-13-48

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.. 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

Comparative Effectiveness, Cost and Outcomes Research Center, University of Washington
Departments of Family Medicine and Internal Medicine, Oregon Health Sciences University
Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital
Division of Research, Kaiser Permanente Northern California
Neuroscience Institute, Henry Ford Hospital