Characteristics of focus groups
| Characteristics | Group A | Group B |
| Focus group length in minutes | 99 | 110 |
| Participants, total | 7 | 9 |
| Sex | ||
| Female | 2 | 2 |
| Male | 5 | 7 |
| Professional background | ||
| Physician | 7 | 6 |
| Other | 0 | 3 |
| Previous participation in expert interview | ||
| Yes | 4 | 3 |
| No | 3 | 6 |