1. Organisation for Economic Co-operation and Development: projecting OECD health and long-term care expenditures. What are the main drivers? Economics Department working papers no. 477. Organisation for Economic Co-operation and Development, Paris (2006)
2. World Health Organization: The European health report 2009: health and health systems. WHO Regional Office for Europe, Copenhagen (2010)
3. Drummond, M.F., Sculpher, M.J., Torrance, G.W., O’Brien, B.J., Stoddart, G.L.: Methods for the economic evaluation of health care programmes, 3rd edn. Oxford University Press, Oxford (2005)
4. Hjelmgren, J., Berggren, F., Andersson, F.: Health economic guidelines—similarities, differences and some implications. Value Heal. 4, 225–250 (2001)
5. Cleemput, I., Neyt, M., Sande, S. Van De, Thiry, N.: Belgische richtlijnen voor economische evaluaties en budget impact analyses: tweede editie. Health Technology Assessment (HTA). KCE Report 183A. D/2012/10.273/52. (2012)