1. Neumann PJ, Thorat T, Zhong Y, Anderson J, Farquhar M, Salem M, et al. A systematic review of cost-effectiveness studies reporting cost-per-DALY averted. PloS One. 2016;11(12):e0168512.
2. Drummond MF, Sculpher MJ, Claxton K, Stoddart GL, Torrance GW. Methods for the economic evaluation of health care programmes. 4th ed. Oxford: Oxford University Press; 2015. p. 464.
3. Guide to the methods of technology appraisal 2013. Guidance and guidelines. NICE. https://www.nice.org.uk/process/pmg9/chapter/foreword . Accessed 14 Dec 2017.
4. Guidelines for the Economic Evaluation of Health Technologies: Canada. CADTH.ca https://www.cadth.ca/about-cadth/how-we-do-it/methods-and-guidelines/guidelines-for-the-economic-evaluation-of-health-technologies-canada . Accessed 14 Dec 2017.
5. Australian Government Department of Health. Guidelines for preparing a submission to the Pharmaceutical Benefits Advisory Committee: Version 5.0. 2016. https://pbac.pbs.gov.au/content/information/files/pbac-guidelines-version-5.pdf . Accessed Dec 2017.