This information can be used to give an idea of the resource requirements in general for implementing the technology. Estimates of likely relevant increases or decreases in the size of the target population in the future should also be included.

Sources: text books, HTAs, national registries, statistics, systematic reviews. Method: A descriptive summary.

Burls 2000 {1}, Velasco 2002 {25}, Liberati 1997 {3}, Imaz-Iglesia 1999, Kristensen 2007 {24}