“…Macro International (2009), French Ministry of Foreign Affairs (2013, Norwegian Min-istry of Foreign Affairs (2013), DFID (2016)). A substantial scientific literature, predominantly published in The Lancet, has covered different aspects of its business model, such as performance-based funding (Katz et al, 2010;Fan et al, 2013Fan et al, , 2014Glassman et al, 2013), its impact on health systems (Samb et al, 2009;Bowser et al, 2014), involvement of civil society (Harmer et al, 2012;Bridge et al, 2016), drug pricing (Stover et al, 2011;Zelman et al, 2014), its role in fragile countries (Bornemisza et al, 2010), and the promotion of implementation research and management learning (van Kerkhoff andSzlezák, 2006, 2010).…”