Critical barriers to sustainable capacity strengthening in global health: a systems perspective on development assistance [version 2; peer review: 2 approved, 1 approved with reservations]
Background: Development assistance for health (DAH) is an important mechanism for funding and technical support to low-income countries.Despite increased DAH spending, intractable health challenges remain.Recent decades have seen numerous efforts to reform DAH models, yet pernicious challenges persist amidst structural complexities and a growing nu