[1] HarvardT H Chan Sch Publ Hlth, Dept Global Hlth & Populat, Boston, MA USA
[2] Univ KwaZulu Natal, Coll Hlth Sci, Sch Nursing & Publ Hlth, Durban, South Africa
[3] Univ KwaZulu Natal, Dept Family Med, Durban, South Africa
[4] Mexican Social Secur Inst, Epidemiol & Hlth Serv Res Unit, Mexico City, Mexico
[5] Inst Clin Effectiveness & Hlth Policy, Buenos Aires, Argentina
[6] Addis Ababa Univ, Coll Hlth Sci, Sch Publ Hlth, Addis Ababa, Ethiopia
[7] Publ Hlth Fdn India, Gurugram, India
[8] Publ Hlth Fdn India, Ctr Chron Condit & Injuries, Gurgaon, Haryana, India
[9] Deakin Univ, Geelong, Vic, Australia
[10] Ctr Chron Dis Control, New Delhi, India
[11] KEMRI Wellcome Trust Res Programme, Hlth Policy & Syst Dept, Nairobi, Kenya
[12] KEMRI Wellcome Trust Res Programme, Hlth Econ Res Unit, Nairobi, Kenya
[13] Ethiopian Publ Hlth Inst, Addis Ababa, Ethiopia
[14] Harvard T H Chan Sch Publ Hlth, Dept Global Hlth & Populat, Boston, MA 02115 USA