[1] Chongqing Med Univ, Sch Basic Med Sci, Dept Biochem & Mol Biol, Chongqing, Peoples R China
[2] Chinese Univ Hong Kong, Prince Wales Hosp, Dept Surg, Shatin, Hong Kong, Peoples R China
[3] Chinese Univ Hong Kong, Prince Wales Hosp, Dept Otorhinolaryngol Head & Neck Surg, Shatin, Hong Kong, Peoples R China