Fragmented QRS as an early predictor of left ventricular systolic dysfunction in healthy individuals: a nested case-control study in the era of speckle tracking echocardiography

Peer Review reports

Original Submission
30 Dec 2019	Submitted	Original manuscript
21 Mar 2020	Reviewed	Reviewer Report - Giovanni Coluccia
25 Jun 2020	Reviewed	Reviewer Report - Eustachio Agricola
20 Jul 2020	Author responded	Author comments - Mohammad Hossein Nikoo
Resubmission - Version 2
20 Jul 2020	Submitted	Manuscript version 2
24 Jul 2020	Reviewed	Reviewer Report - Giovanni Coluccia
2 Aug 2020	Reviewed	Reviewer Report - Eustachio Agricola
Resubmission - Version 3
	Submitted	Manuscript version 3
Publishing
4 Aug 2020	Editorially accepted
13 Aug 2020	Article published	10.1186/s12947-020-00216-z

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