Corresponding Author

School of Medicine, Southeast University, Nanjing, Jiangsu, China

Department of Otolaryngology Head and Neck Surgery, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, Jiangsu, China

Correspondence:

Zhenkun Yu, School of Medicine, Southeast University, 87 Dingjiaqiao, Hunan Road, Nanjing 210009, Jiangsu, China.Department of Otolaryngology Head and Neck Surgery, The Affiliated BenQ Hospital of Nanjing Medical University, 71 Hexi Street, Nanjing 210019, Jiangsu, China (yuzhenkun@yahoo.com).

Xianjun Lyu, Department of Interventional Radiography, The Affiliated BenQ Hospital of Nanjing Medical University, 71 Hexi Street, Nanjing 210019, Jiangsu, China (lvxj7021@sina.com).