[1] Chinese Univ Hong Kong, Dept Otorhinolaryngol Head & Neck Surg, Hong Kong, Hong Kong, Peoples R China
[2] Chinese Univ Hong Kong, Dept Radiol & Diagnost Imaging, Hong Kong, Hong Kong, Peoples R China
[3] Chinese Univ Hong Kong, Div Neurosurg, Dept Surg, Hong Kong, Hong Kong, Peoples R China