Table 2 Interview guide used for the semi-structured interviews

Can you please tell me what experience you have of medical treatments for Parkinson’s disease? (warm-up question)

Have you previously heard of medical treatments using cells taken from embryos?

If you recall when you first heard of medical treatments using cells from embryos, what were your first spontaneous thoughts?

What is your view on using embryos for treatment of Parkinson’s disease? That donated embryos are destroyed in the process? That companies may profit from selling these medicinal products?

In this question, what is important to you? Interests/values? To whom?

What affects your outlook on this matter, do you think? Any beliefs?

If you reflect on what you have told me so far, what aspects are most important to you concerning using surplus embryos to treat Parkinson’s disease?

Have you changed your view on this matter during the interview?

[Interviewer sums up what the participant has described so far]. Have I misinterpreted something, or do you want to add something to the summary?

The purpose of this interview was to explore your views on using donated embryos for medical treatment and any values or interests related to it. Is there something you think of that has not been brought up yet?