[1] Cent South Univ, Dept Hlth Management Med, Xiangya Hosp 3, Changsha 410013, Hunan, Peoples R China
[2] Cent South Univ, Xiangya Hosp, Dept Otolaryngol Head & Neck Surg, Changsha 410008, Hunan, Peoples R China
[3] Cent South Univ, Xiangya Hosp 3, Dept Radiol, Changsha 410013, Hunan, Peoples R China
[4] Cent South Univ, Key Lab Med Informat Res, Changsha 410013, Hunan, Peoples R China
[5] Cent South Univ, Xiangya Sch Med, Changsha 410013, Hunan, Peoples R China