Funding for this research was provided by:
Beijing Hospitals Authority Youth Program (QML20190617)
Beijing Science and Technology Nova Program (Z201100006820086)
Natural Science Foundation of Jilin Province (82000954)
Beijing Hospitals Authority Clinical Medicine Development of Special Funding (XMLX202136)
Article History
Received: 29 November 2021
Accepted: 30 December 2021
First Online: 9 January 2022
Declarations
:
: DW was an inventor of the apparatus for evaluating the efficiency of nasal irrigation. The rest of the authors declare that they have no relevant conflicts of interest.