1. The 2012 ageing report. Underlying Assumptions and Projection Methodologies. European Commission. In. (2012)
2. Lafortune, G., Balestat, G.: Trends in severe disability among elderly people: Assessing the evidence in 12 OECD countries and the future implications. OECD health working papers (2007)
3. Christensen, K., Doblhammer, G., Rau, R., Vaupel, J.W.: Ageing populations: the challenges ahead. Lancet 374(3), 1196–1208 (2009)
4. Fries, J.F., Bruce, B., Chakravarty, E.: Compression of Morbidity 1980–2011: a focused review of paradigms and progress. J. Aging Res. (2011)
5. De la Torre Prados, I., Ruiz, O., Fernández, M., Ayuso, L., García, L.M., Rogero, J.: Dependencia y familia: una perspectiva socio-económica. (2010)