1. Mullins, C.D., et al.: Guidance document: global pharmacoeconomic model adaptation strategies. Value Health Reg Issues 5C, 7–13 (2014). https://doi.org/10.1016/j.vhri.2014.09.002
2. Huber, M.: International comparisons of prices and volumes in health care among OECD Countries. European Center for Social Welfare Policy and Research, 56 (2017)
3. Koechlin, F., Konijn, P., Lorenzoni, L., Schreyer, P.: Comparing hospitals and health prices and volumes across countries: a new approach. Soc. Indic. Res. 131(1), 43–64 (2017)
4. Melberg, H.O.: Some problems with international comparisons of health spending – and a suggestion about how to quantify the size of the problems. Health Eco. Res. Program. Univ. Oslo - HERO 2011(4), 1–14 (2011)
5. Lorenzoni, L., Koechlin, F.: International Comparisons of Health Prices and Volumes: New Findings. OECD, 11 (2017)