Ultrasound-guided erector spinae plane block versus thoracic paravertebral block on postoperative analgesia after laparoscopic nephroureterectomy: study protocol of a randomized, double-blinded, non-inferiority design trial

Peer review reports

Original Submission
23 Jul 2020	Submitted	Original manuscript
13 Dec 2020	Reviewed	Reviewer Report - Morgan Le Guen
14 Dec 2020	Reviewed	Reviewer Report - Zsolt Molnár
28 Jan 2021	Author responded	Author comments - Xu Zhen-Zhen
Resubmission - Version 2
28 Jan 2021	Submitted	Manuscript version 2
1 Feb 2021	Reviewed	Reviewer Report - Zsolt Molnár
Resubmission - Version 3
	Submitted	Manuscript version 3
Publishing
6 Mar 2021	Editorially accepted
6 Apr 2021	Article published	10.1186/s13063-021-05173-0

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