Efficiency of donepezil in elderly patients undergoing orthopaedic surgery due to underlying post-operative cognitive dysfunction: study protocol for a multicentre randomised controlled trial

Peer Review reports

Original Submission
18 Apr 2021	Submitted	Original manuscript
21 Jul 2021	Reviewed	Reviewer Report - Riaz Qureshi
20 Aug 2021	Author responded	Author comments - Huichen Zhu
Resubmission - Version 2
20 Aug 2021	Submitted	Manuscript version 2
22 Aug 2021	Reviewed	Reviewer Report - Riaz Qureshi
15 Sep 2021	Author responded	Author comments - Huichen Zhu
Resubmission - Version 3
15 Sep 2021	Submitted	Manuscript version 3
20 Sep 2021	Reviewed	Reviewer Report - Riaz Qureshi
Resubmission - Version 4
	Submitted	Manuscript version 4
Publishing
20 Sep 2021	Editorially accepted
9 Oct 2021	Article published	10.1186/s13063-021-05648-0

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