[1] Heidelberg Univ, Heidelberg Inst Global Hlth, Heidelberg, Germany
[2] Univ Montreal, Dept Gest Evaluat & Polit Sante, Ecole Sante Publ, Montreal, PQ, Canada
[3] McGill Univ, Dept Sociol, Montreal, PQ, Canada
[4] Univ Hlth & Allied Hlth Sci, Sch Publ Hlth, Dept Family & Community Hlth, Ho, Ghana
[5] Johns Hopkins Bloomberg Sch Publ Hlth, Dept Int Hlth, Baltimore, MD USA
[6] Stellenbosch Univ, Dept Global Hlth, Ctr Evidence Based Hlth Care, Stellenbosch, South Africa
[7] Univ Johannesburg, Africa Ctr Evidence, Johannesburg, South Africa
[8] Heidelberg Univ, Inst Polit Sci, Heidelberg, Germany