[1] Natl Univ Singapore, Yong Loo Lin Sch Med, Singapore, Singapore
[2] Natl Canc Ctr, Div Support & Palliat Care, Singapore, Singapore
[3] Natl Univ Singapore, Alice Lee Ctr Nursing Studies, Singapore, Singapore
[4] Natl Univ Singapore, Natl Univ Singapore Lib, Med Lib, Singapore, Singapore
[5] Natl Canc Ctr Singapore, Div Canc Educ, Singapore, Singapore
[6] Duke NUS Grad Med Sch, Lien Ctr Palliat Care, Singapore, Singapore
[7] Duke NUS Grad Med Sch, Singapore, Singapore
[8] Natl Univ Singapore, Ctr Biomed Ethics, Singapore, Singapore
[9] Univ Liverpool, Palliat Care Inst Liverpool, Acad Palliat & End Life Care Ctr, Liverpool, England
[10] Palliat Care Ctr Excellence Res & Educ, PalC, Singapore, Singapore
[11] 1E Kent Ridge Rd,NUHS Tower Block Level 11, Singapore 119228, Singapore