Participant characteristics
| ID | Role/Title | Location | Interview type |
| KIF01 | University professor | Spain (Skype) | KII |
| KIF02 | NGO worker | France | KII |
| KIF03 | NGO worker | Netherlands | KII |
| KIF04 | Teacher | England | KII |
| KIF05 | Government minister | Netherlands | KII |
| KIF06 | University professor | Belgium | KII |
| KIF07 | Community activist | Ireland (Skype) | KII |
| KIF08 | Medical professional | England | KII |
| KIF09 | University professor | France | KII |
| KIF10 | INGO worker | EU | KII |
| KIF11 | Solicitor | Scotland | KII |
| KIM12 | Police officer | England | KII |
| KIF13 | Police officer | England | KII |
| KIF14 | Legal professional | France | KII (unrecorded) |
| KIF15 | NGO worker | England | KII |
| KIF16 | Medical professional | Scotland | KII |
| KIF17 | Community activist | Scotland | KII |
| KIF18 | Community activist | England | KII |
| EG1 | 9 policy/practice participants | Scotland | Group interview |
| EG2 | 9 policy/practice/community participants | Scotland | Group interview |
| EG3 | 10 policy/practice/community participants | Scotland | Group interview |
| CG1 | 4 community activists | Scotland | Group interview |
| CG2 | 4 community activists | Scotland | Group interview |