Table 1. Interview guide.

	Description
1	To what extent do you perceive HRQOL outcomes and the EQ-5D-5L instrument as being able to fulfil their intended role in healthcare decision-making processes?
2	How do you feel about HRQOL outcomes and the EQ-5D-5L themselves, as well as their application in healthcare decision-making processes?
3	What types and levels of burden, if any, do you associate with the use of HRQOL outcomes and the EQ-5D-5L in healthcare decision-making?
4	What types and magnitudes of costs do you perceive are linked to the use of HRQOL outcomes and the EQ-5D-5L in healthcare decision-making?
5	How confident are you in your ability to use HRQOL outcomes and the EQ-5D-5L, especially in healthcare decision-making processes? Please explain your confidence level.
6	What ethical considerations are connected to the application of HRQOL outcomes and the EQ-5D-5L in healthcare decision-making? According to your personal system of morality and norms, how appropriate is their use?
7	Could you elaborate on your understanding of HRQOL outcomes and the EQ-5D-5L themselves, and their application in healthcare decision-making processes?