Including intangible costs into the cost-of-illness approach: a method refinement illustrated based on the PM economic burden in China.

The concentrations of particulate matter with aerodynamic diameters less than 2.5 µm (PM) and 10 µm (PM) is a widespread concern and has been demonstrated for 103 countries. During the past few years, the exposure-response function (ERf) has been widely used to estimate the health effects of air pollution.