we considered whether the percentage of zero-dose children in ESAR is mostly the

we considered whether the percentage of zero-dose children in ESAR is mostly the result of supply-side or demand-side barriers, or bottlenecks. Most of you settled on the supply side as the greatest influence on the outcome (% zero dose children), either in specific countries, or in the region overall.
how would you prioritize the bottlenecks that affect Availability of Commodities, Availability of HR, Financial Affordability, or Geographic Accessibility of routine vaccinations in a specific country? In other words, how can you tell which one has the largest impact on the outcome?