[1] Chinese Univ Hong Kong, Dept Clin Oncol, Hong Kong, Peoples R China
[2] Chinese Univ Hong Kong, Dept Anat & Cellular Pathol, Hong Kong, Peoples R China
[3] Prince Wales Hosp, Hong Kong, Peoples R China
[4] Chinese Univ Hong Kong, Dept Cellular & Anat Pathol, Hong Kong, Peoples R China
[5] Chinese Univ Hong Kong, Hong Kong, Peoples R China