Article History
Received: 22 January 2021
Accepted: 13 June 2021
First Online: 8 July 2021
Declarations
:
: The authors declare that they have no conflict of interest.
: The study was obtained from the Ethics Committee of Department of Otolaryngology, Head and Neck Surgery, Jining No. 1 People’s Hospital, Jining, 272000, Shandong, P.R. China.