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Article History

Received: 26 October 2019

Accepted: 5 May 2020

First Online: 8 June 2020

Ethics approval and consent to participate

: This study is approved by the Research Ethics Committee of Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, Guangzhou, China; Registry number: 2017102609; Registry date: 2 November 2017. This study is also approved by the Chinese Clinical Trial Registry (ChiCTR); Registry number: ChiCTR-ROC-17013253; Registry date: 5 November 2017. Title: Prospective cohort study on the pathogenesis and prognosis of retinopathy of prematurity. The manuscript was written adhering to Standard Protocol Items: Recommendations for Interventional Trials (SPIRIT) guidelines/methodology. Any important protocol modifications will be communicated to the investigators, trial participants and trial registries.The study procedures will be explained to the patients’ parents orally with a witness present if they are illiterate, or in writing if literate. A patient will be recruited into the study only after the consent form has been obtained by the clinicians and signed by the patient’s parents.

: Personal information of the enrolled patients will be used confidentially before, during and after the study. The results of the study will be published in scientific journals and presented at conferences. To convey the results to the trial participants, the results will also be published on the official platform of our hospital using the Wechat app (China).

: The authors declare that they have no competing interests.