Interview sample, roles and affiliations
| Role | Affiliation | Country | Male/female | ID |
| Clinician/clinical academic | Hospital | UK | M | I.1 |
| University/research institute | UK | F | I.2 | |
| University/research institute | Australia | M | I.3 | |
| University/research institute | The Netherlands | M | I.4 | |
| Non-governmental organisation | The Netherlands | F | I.5 | |
| International policy organisation | Switzerland | M | I.6 | |
| International policy organisation | Switzerland | M | I.7 | |
| International policy organisation | Switzerland | F | I.8 | |
| University/research institute | The Netherlands | M | I.9 | |
| University/research institute | USA | F | I.10 | |
| University/research institute | Australia | F | I.11 | |
| University/research institute | The Netherlands | F | I.12 | |
| University/research institute | USA | F | I.13 | |
| University/research institute | USA | M | I.14 | |
| Non-clinical academic/researcher | University/research institute | USA | F | I.15 |
| University/research institute | USA | M | I.16 | |
| University/research institute | The Netherlands | F | I.17 | |
| University/research institute | The Netherlands | F | I.18 | |
| University/research institute | USA | M | I.19 | |
| University/research institute | The Netherlands | F | I.20 | |
| University/research institute | Canada | F | I.21 | |
| International policy organisation | Switzerland | M | I.22 | |
| Governmental organisation | UK | F | I.23 | |
| Programme manager | Governmental organisation | The Netherlands | F | I.24 |
| Governmental organisation | The Netherlands | F | I.25 | |
| Non-governmental organisation | The Netherlands | F | I.26 | |
| Technical advisors | Non-governmental organisation | UK | M | I.27 |
| Non-governmental organisation | UK | M | I.28 | |
| Total | 28 | |||