Funding for this research was provided by:
the National Natural Science Foundation of China (No. 81770925, No. 81790641)
the Non-profit Central Research Institute Fund of Chinese Academy of Medical Sciences (2018PT32019)
Received: 31 October 2019
Accepted: 24 January 2020
First Online: 10 February 2020
Ethics approval and consent to participate
: The study was in accordance with the Declaration of Helsinki and approved by the Ethics Committee of the Eye and ENT Hospital of Fudan University.
: Not Applicable.
: The authors declare that they have no competing interests.