[1] Univ Hong Kong, Li Ka Shing Fac Med, Sch Nursing, Rm 525,Acad Bldg,3 Sassoon Rd, Hong Kong, Peoples R China
[2] Univ Hong Kong, Li Ka Shing Fac Med, Dept Clin Oncol, Hong Kong, Peoples R China
[3] Pamela Youde Nethersole Hosp, Dept Clin Oncol, Hong Kong, Peoples R China
[4] Chinese Univ Hong Kong, Fac Med, Hong Kong, Peoples R China
[5] Alice Ho Miu Ling Nethersole Charity Fdn Professor, Hong Kong, Peoples R China