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Effect of four additional physical education lessons on body composition in children aged 8–13 years – a prospective study during two school years

Heidi Klakk*, Mai Chinapaw, Malene Heidemann, Lars Bo Andersen and Niels Wedderkopp

BMC Pediatrics 2013, 13:170  doi:10.1186/1471-2431-13-170

Pre-publication versions of this article and reviewers' reports

Original Submission - Version 1 Manuscript 07 Mar 2013
Resubmission - Version 2 Manuscript Author's comment 11 Mar 2013
Resubmission - Version 3 Author's comment 17 Mar 2013
Reviewer's Report Hannah Lawman 10 May 2013
Reviewer's Report Gregor Jurak 14 May 2013
Reviewer's Report Geir K. Resaland 15 May 2013
Resubmission - Version 4 Manuscript Author's comment 20 Jun 2013
Reviewer's Report Hannah Lawman 22 Jul 2013
Editorial acceptance 14 Oct 2013
Published 17 Oct 2013