Funding for this research was provided by:
National Natural Science Foundation of China (81970780, 81670835, 81870642)
Shanghai Municipal Human Resources and Social Security Bureau (201604)
Shanghai Municipal Health and Family Planning Commission (2017YQ011)
Received: 26 December 2020
Accepted: 16 May 2021
First Online: 31 May 2021
: The study was approved by the institutional review board of the Eye and Ear, Nose, and Throat (EENT) Hospital of Fudan University, Shanghai, China (ID: 2014055). Written informed consent was obtained from each patient.
: Not applicable.
: All the authors declare that they have no competing interests.