[1] Natl Univ Singapore, Yong Loo Lin Sch Med, Singapore, Singapore
[2] Natl Canc Ctr Singapore, Div Support & Palliat Care, Singapore, Singapore
[3] Assisi Hosp, Singapore, Singapore
[4] Palliat Care Ctr Excellence Res & Educ, Singapore, Singapore
[5] Natl Canc Ctr Singapore, Div Canc Educ, Singapore, Singapore
[6] Singapore Gen Hosp, Dept Rheumatol & Immunol, Singapore, Singapore
[7] Duke NUS Med Sch, Singapore, Singapore
[8] Singapore Gen Hosp, Dept Infect Dis, Singapore, Singapore
[9] Univ Liverpool, Palliat Care Inst Liverpool, Acad Palliat & End Life Care Ctr, Liverpool, England
[10] Natl Univ Singapore, Ctr Biomed Eth, Singapore, Singapore