[1] Duke NUS Med Sch, Lien Ctr Palliat Care, 8 Coll Rd, Singapore 169857, Singapore
[2] Duke Univ, Global Hlth Inst, Durham, NC USA
[3] Harvard TH Chan Sch Publ Hlth, Dept Global Hlth & Populat, Boston, MA USA
[4] Natl Canc Ctr Singapore, Dept Palliat Med, Singapore, Singapore
[5] Univ Southern Calif, Sol Price Sch Publ Policy, Los Angeles, CA 90007 USA
[6] All India Inst Med Sci, Inst Rotary Canc Hosp, New Delhi, India
[7] Worldwide Hosp Palliat Care Alliance, London, England