1. Wiig, S., Aase, K., Billett, S., Canfield, C., Røise, O., Njå, O., Guise, V., Haraldseid-Driftland, C., Ree, E., and Anderson, J.E. (2020). Defining the boundaries and operational concepts of resilience in the resilience in healthcare research program. BMC Health Serv. Res., 20.
2. OECD (2023). OECD Health Policy Studies, OECD Publishing.
3. Health systems resilience in managing the COVID-19 pandemic: Lessons from 28 countries;Haldane;Nat. Med.,2021
4. German Hospital Institute (Deutsches Krankenhaus Institut, DKI) (2023, March 29). Krankenhaus Barometer Umfrage. Available online: https://www.dki.de/sites/default/files/2022-12/Krankenhaus-Barometer%202022%20final.pdf.
5. German Hospital Association (Deutsche Krankenhausgesellschaft, DKG) (2023, March 29). Press Release: DKG on the DKI Hospital Barometer. Available online: https://www.dkgev.de/fileadmin/default/Mediapool/1_DKG/1.7_Presse/1.7.1_Pressemitteilungen/2022/2022-12-27_PM_DKG_zum_Krankenhaus-Barometer.pdf.