Funding for this research was provided by:
National Natural Science Foundation of China (81572647 and 81372902, 81402234)
postdoctoral scientific research developmental fund ((LBH-Q16157)
Text and Data Mining valid from 2018-09-27
Received: 11 September 2017
Accepted: 19 September 2018
First Online: 27 September 2018
: Linli Tian is a professor of ENT at the Harbin Medical University, who serves at the second affiliated hospital from 2003 to now. She specializes in working with the laryngopharyngeal diseases.
: The authors assert that all procedures contributing to this work comply with the ethical standards of the relevant national and institutional guidelines on human experimentation (the ethic committee of the Second Affiliated Hospital, Harbin Medical University). The number is KY2017–009. All of patients are agree to publish their informations.
: All patients have consent to publish. The authors all consent for publition.
: The authors declare that they have no competing interests.
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