Data collection
We used the DCS instrument [Decisional conflict subscalesFor the qualitative data, all participants were asked to respond to six open-ended questions to assess the factors involved in the decision-making process, whether the information was appropriate, and how they balanced harms and benefits of the treatment alternatives. Additionally, groups 2 and 3 were asked to describe their experience and perceptions of the value elicitation exercises, and group 3 was also asked to describe the usefulness of the decision analysis to make a decision and their confidence with the decision-making process. In Supplementary material 