The effect of the leisure activities based on chess and cards for improving cognition of older adults: study protocol for a cluster randomized controlled trial

Peer Review reports

Original Submission
18 Apr 2023	Submitted	Original manuscript
31 May 2023	Reviewed	Reviewer Report - Muslim Syed
5 Jul 2023	Reviewed	Reviewer Report - Research Square Reviewer 1
11 Jul 2023	Author responded	Author comments - Xiaojuan Shi
Resubmission - Version 2
11 Jul 2023	Submitted	Manuscript version 2
Publishing
20 Jul 2023	Editorially accepted
29 Jul 2023	Article published	10.1186/s13063-023-07528-1

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