Funding for this research was provided by:
National Natural Science Foundation of China (81770955)
National Natural Science Foundation of China (CN) for Young Scholars (81700872)
Project of Shanghai Science and Technology (17411950200)
Joint research project of new frontier technology in municipal hospitals (SHDC12018103)
Text and Data Mining valid from 2020-04-25
Received: 21 June 2018
Accepted: 14 April 2020
First Online: 25 April 2020
Ethics approval and consent to participate
: This study followed the tenets of the Declaration of Helsinki and was approved by the ethics committee of the Eye and ENT Hospital of Fudan University (KJ2008–10). Informed written consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.