Funding for this research was provided by:
Fundamental Research Funds for the Central Universities (20ykpy147)
Natural Science Foundation of Guangdong Province of China (2019A1515010189)
Article History
Received: 9 September 2020
Accepted: 13 January 2021
First Online: 28 January 2021
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of the Zhongshan Ophthalmic Center (ZOC), Guangzhou, China. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Written informed consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors declare that they have no conflict of interest.