[1] Chinese Univ Hong Kong, Dept Community & Family Med, Hong Kong, Hong Kong, Peoples R China
[2] Chinese Univ Hong Kong, Dept Chem Pathol, Hong Kong, Hong Kong, Peoples R China
[3] Chinese Univ Hong Kong, Prince Wales Hosp, Inst Chinese Med, Hong Kong, Hong Kong, Peoples R China
[4] Chinese Univ Hong Kong, Prince Wales Hosp, Dept Chem Pathol, Hong Kong, Hong Kong, Peoples R China