[1] Chinese Univ Hong Kong, Nethersole Sch Nursing, Fac Med, 7-F Esther Lee Bldg, Hong Kong, Peoples R China
[2] Caritas Med Ctr, Dept Med & Geriatr, Hong Kong, Peoples R China
[3] Queen Mary Hosp, Dept Clin Oncol, Hong Kong, Peoples R China
[4] Chinese Univ Hong Kong, CUHK Ctr Bioeth, Hong Kong, Peoples R China
[5] Univ Hong Kong, Li Ka Shing Fac Med, Dept Med, Hong Kong, Peoples R China