1. World Health Organisation European Region (WHO Euro). Health and care workforce in Europe. Time to act. Copenhagen: WHO (2022a). Available online at: https://www.who.int/europe/publications/i/item/9789289058339 (Accessed 9 December 2022)
2. OECD. Contribution of migrant doctors and nurses to tackling COVID-19 crisis in OECD countries. Paris: OECD (2020a). Available online at: https://www.oecd.org/coronavirus/policy-responses/contribution-of-migrant-doctors-and-nurses-to-tackling-covid-19-crisis-in-oecd-countries-2f7bace2/ (Accessed 8 December 2022)
3. Burau V , Falkenbach M , Neri S , Peckham S , Wallenburg I , Kuhlmann E. How the health workforce contributes to health systems resilience: comparing possibilities for innovation under Covid-19. Int J Health Plann Mgmt. (2022) 37:2032–2048. http://doi.org/10.1002/hpm.3446
4. Connolly K. Germany calls on migrant medics to help tackle coronavirus. Guardian (14 April 2020). Available online at: https://www.theguardian.com/world/2020/apr/14/germany-calls-on-migrant-medics-to-help-tackle-coronavirus (Accessed 10 December 2022)
5. Health professional mobility in the WHO European Region and the WHO Global Code of Practice: data from the joint OECD/EUROSTAT/ WHO-Europe questionnaire;Eur J Public Health,2020