Funding for this research was provided by:
Public Technology Application Research Foundation from Department of Science and Technology of Zhejiang Province (2013C33241)
Wenzhou Municipal Science and Technology Bureau Foundation (Y20110090)
Received: 23 March 2017
Accepted: 29 January 2018
First Online: 12 February 2018
: All authors are affiliated with the First Affiliated Hospital of Wenzhou Medical University.
: All authors have agreed to publish this article in Journal of Otolaryngology-Head & Neck Surgery.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.