[1] Chinese Univ Hong Kong, Prince Wales Hosp, Dept Diagnost Radiol & Organ Imaging, Shatin, Hong Kong, Peoples R China
[2] Rotherham Gen Infirm, Dept Radiol, Rotherham, S Yorkshire, England
[3] Chinese Univ Hong Kong, Prince Wales Hosp, Dept Clin Oncol, Shatin, Hong Kong, Peoples R China