Key points are not available for this paper at this time.
Funding text: European Union (EU) grant nr. 721402; Excellence Strategy by the German federal and state governments; University of Hamburg, Erasmus School of Health Policy Management; Nova School of Business and Economics Lisbon-Chair BPI | "Fundacao La Caixa" on Health Economics
Neumann‐Böhme et al. (2020) studied this question.