[1] Univ Hong Kong, Queen Mary Hosp, Dept Med, Hong Kong Isl, Hong Kong, Peoples R China
[2] Tung Wah Hosp, Dept Med, Hong Kong Isl, Hong Kong, Peoples R China
[3] Ruttonjee Hosp, Dept Med, Hong Kong Isl, Hong Kong, Peoples R China
[4] Univ Hong Kong, Queen Mary Hosp, Dept Pathol, Hong Kong Isl, Hong Kong, Peoples R China
[5] Queen Mary Hosp, Dept Radiol, Hong Kong Isl, Hong Kong, Peoples R China