[1] Univ New South Wales, George Inst Global Hlth, Sydney, Australia
[2] George Inst Global Hlth, Delhi, India
[3] Univ Toronto, Temerty Fac Med, Toronto, ON, Canada
[4] Univ Melbourne, Ctr Hlth Policy, Melbourne Sch Populat & Global Hlth, Melbourne, Australia
[5] Harvard Med Sch, Dept Hlth Care Policy, Boston, MA USA
[6] Beth Israel Deaconess Med Ctr, Div Gen Internal Med, Boston, MA USA
[7] Univ New South Wales, Fac Med & Hlth, Sch Populat Hlth, Sydney, Australia
[8] Univ Sydney, Leeder Ctr Hlth Policy Econ & Data, Sydney Sch Publ Hlth, Sydney, Australia