Funding for this research was provided by:
National Natural Science Foundation of China (81670927)
Received: 22 October 2019
Accepted: 22 January 2020
First Online: 3 February 2020
Ethics approval and consent to participate
: The procedures using Dunkin Hartley guinea pigs were approved by the Ethics Review Board of Eye and ENT Hospital of Fudan University.
: All subjects provided consent for publication.
: The authors declare that they have no competing interests.