Figure 1
From: Projecting the COPD population and costs in England and Scotland: 2011 to 2030

The Dutch COPD Model (reproduced with permission from Hoogendoorn, M., Rutten-Van Molken, M. P. M. H., Hoogenveen, R., Maiwenn, J. & Feenstra, T. L. Developing and applying a stochastic dynamic population model for chronic obstructive pulmonary disease. Value Health. 14, 1039–1047. Epub 2011 Sep 1022). (2011).