Identification on surrogating overall survival with progression-free survival of first-line immunochemotherapy in advanced esophageal squamous cell carcinoma—an exploration of surrogate endpoint

Peer Review reports

Original Submission
9 Nov 2022	Submitted	Original manuscript
29 Dec 2022	Reviewed	Reviewer Report
6 Jan 2023	Reviewed	Reviewer Report
9 Jan 2023	Reviewed	Reviewer Report - Masayuki Watanabe
17 Jan 2023	Author responded	Author comments - Lei Zhao
Resubmission - Version 2
17 Jan 2023	Submitted	Manuscript version 2
5 Feb 2023	Reviewed	Reviewer Report - Masayuki Watanabe
5 Feb 2023	Reviewed	Reviewer Report
Resubmission - Version 3
	Submitted	Manuscript version 3
Publishing
6 Feb 2023	Editorially accepted
10 Feb 2023	Article published	10.1186/s12885-023-10613-y

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