Funding for this research was provided by:
Shandong Province Technology Government Agency (No. 013GSF31804)
Shandong Province Hospital and Research Institute of EENT
Article History
Received: 18 July 2020
Accepted: 26 December 2020
First Online: 9 January 2021
Ethics approval and consent to participate
: This study was approved by Shandong Provincial ENT Hospital (Shandong Provincial Western Hospital) Ethical Committee (Project No: XYK-20200701), and all procedures were conducted in accordance with the National Institutes of Health Guide for the Care and Use of Laboratory Animals.
: Not applicable.
: The authors declare that they have no competing interests.